The European sessile oak had died, the French president, Emmanuel Macron, confirmed.
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Sponges and other sessile creatures can anchor themselves to the metallic rocks.
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Then, navies nailed copper plates to the bottoms of warships to poison the larvae of sessile organisms.
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The Macrons are bringing a European Sessile Oak sapling to plant on the White House South Lawn.
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That may lead to an environmentally friendly method of stopping sessile marine organisms growing in the wrong places.
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These are sessile invertebrates that make use of vanadium in some of their enzymes, thus concentrating it in their bodies.
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In most other abyssal environments, there's nothing but mud on the seafloor, making it hard for sessile creatures to gain a foothold.
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It happens when heat-stressed polyps, the sessile animals that construct coral reefs, eject the photosynthetic algae which usually reside within them.
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When you are confused about poetry & misunderstand its brown math, the sessile branches & a seal of awe attach the tree to the dark.
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Macron, who's criticized Trump's stance on the Paris Climate Accord in the past, brought a young European sessile oak as a gift during his state visit.
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The European sessile oak, which is about four feet and five inches tall and five to 10 years old, was a gift from the French President.
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But mostly, they live sessile lives, anchored in their narrow burrows even when they emerge to feed, like tethered snakes striking at zooplankton too small to see.
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The tree, a European sessile oak, came from Belleau Wood, where, during World War I, nearly 10,000 American Marines were killed or injured in battle in June 1918.
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The European sessile oak from the Belleau Wood, where nearly 10,93 Americans were injured or killed during a World War I battle, was a gift from the Macrons.
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Speaqua Barnacle Vibe, available at Speaqua, $89.99Unlike its namesake, this little odd-ball, jawbreaker-esque speaker is anything but sessile — which is to say, immobile — unless you want it to be.
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"The roof I'm assuming is oak and there's plenty of oak available, including sessile oak which is long, straight-stemmed oak trees that they will need for these sort of projects," he said.
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The European sessile oak was about five to 10 years old, according to the White House, when it was delivered in April 2018, a gift from Mr. Macron on his first official state visit of the Trump administration.
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However, shortly after the ceremonial planting, the European sessile oak -- which was about four feet to five inches tall, and between five and 10 years old -- was removed and placed under the care of the United States Depart of Agriculture Animal and Plant Health Inspection Service at its facilities in Beltsville, Maryland.
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That thoughtfulness is being reciprocated by the Macrons, who on Monday presented the Trumps with a 4½-foot-tall European sessile oak sapling from Belleau Wood, in Aisne, France, the site of a landmark World War I battle in June 1918, where nearly 10,000 US Marines and soldiers were killed or wounded.
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" It left readers swooning, drowning in the riptide of her language, a watery jabberwocky of mollusks and gills and tube worms and urchins and plankton and cunners, brine-drenched, rock-girt, sessile, arborescent, abyssal, spine-studded, radiolarian, silicious, and phosphorescent, while, here and there, "the lobster feels his way with nimble wariness through the perpetual twilight.
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That thoughtfulness is being reciprocated by the Macrons, as CNN has learned the Trumps will be gifted a four-and-a-half-foot tall European sessile oak sapling from Belleau Wood, in Aisne, France, site of a landmark World War I battle in June 1918, where nearly 10,000 US Marines and Army soldiers were killed or wounded.
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Ovaries 2 to 5 with several ovules in two rows. Stigma discoid, sessile. Carpels thick-walled, sessile or sub-sessile. Meiogyne is different from Cyathocalyx in several ways.
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Sessile serrated adenomas were first described in 1996. In 2019, the World Health Organization recommended the use of the term "sessile serrated lesion," rather than sessile serrated polyp or adenoma.
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This often caused T. sessile to lose altercations with other ant species, such as the L. humile, even when more T. sessile individuals were present. Whereas other ant species like L. humile fight together, the T. sessile do not. The T. sessile is however more likely to win in one-on-one interactions because they have effective chemical defenses.
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Population with yellow-green petals Uncommon, green flowered forms of this plant are sometimes classified as Trillium sessile f. viridiflorum Beyer. , Kew's Plants of the World Online accepts no infraspecific taxa for Trillium sessile. The term Trillium sessile var.
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Lycopus amplectens, common names clasping-leaved water-horehound, sessile- leaved bugleweed, and sessile-leaved water-horehound, is a species of Lycopus native to North America.
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G. sessile basidiocarp G. sessile chlamydospores stained in lactophenol cotton blue Murrill described 17 new Ganoderma species in his treatises of North American polypores, including for example, G. oregonense, G. sessile, G. tsugae, G. tuberculosum and G. zonatum. Most notably and controversial was the typification of Ganoderma sessile, which was described from various hardwoods only in the United States.Murrill, W. A. 1908. Agaricales (Polyporaceae).
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North Amer. Flora 9:73-131. The specific epithet "sessile" comes from the sessile, or without typical stem, nature of this species when found growing in a natural setting. Ganoderma sessile was distinguished based on a sessile fruiting habit, common on hardwood substrates and occasionally having a reduced, eccentric or “wanting” stipe. In 1908, Atkinson considered G. tsugae and G. sessile as synonyms of G. lucidum, but erected the species G. subperforatum from a single collection in Ohio on the basis of having “smooth” spores.Atkinson, G. F. 1908.
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Leptospermum amboinense is a species of tree that is native to Malesia and North Queensland. It has rough bark, sessile, narrow elliptical leaves, white flowers and sessile, conical to hemispherical fruit.
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Sessile animals typically have a motile phase in their development. Sponges have a motile larval stage, which becomes sessile at maturity. In contrast, many jellyfish develop as sessile polyps early in their life cycle. In the case of the cochineal, it is in the nymph stage (also called the crawler stage) that the cochineal disperses.
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The stems are many branched, creeping and rooting below. Leaves are narrow, sessile, oppositely arranged alternately at right angles, microscopically truncate at apex. The flowers and fruits are solitary, sessile and crimson color.
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S. scutellata is sessile-- it does not have a stalk.
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They are benthos and are predators, feeding on sessile prey.
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Sessile serrated lesions account for about 25% of all serrated polyps.
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The specific epithet (sessilis) refers to the sessile buds and fruit.
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The dynamic sessile drop is similar to the static sessile drop but requires the drop to be modified. A common type of dynamic sessile drop study determines the largest contact angle possible without increasing its solid–liquid interfacial area by adding volume dynamically. This maximum angle is the advancing angle. Volume is removed to produce the smallest possible angle, the receding angle.
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The adults have gonads in the gastroderm, and these release ova and sperm into the water in the breeding season. This phenomenon of succession of differently organized generations (one asexually reproducing, sessile polyp, followed by a free-swimming medusa or a sessile polyp that reproduces sexually)Vernon A. Harris (1990). "Hydroids". Sessile animals of the sea shore. Springer. p. 223, .
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Leaf undersides have "numerous minute sessile stelate hairs with horizonatally spreading rays".
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The life cycle of many planctomycetes involves alternation between sessile cells and flagellated swarmer cells. The sessile cells bud to form the flagellated swarmer cells which swim for a while before settling down to attach and begin reproduction.
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The circalittoral zone of coastal environments and biomes are dominated by sessile organisms such as oysters. Carbonate platforms grow due to the buildup of skeletal remains of sessile organisms, usually microorganisms, which induce carbonate precipitation through their metabolism.
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Streptanthus hyacinthoides is an annual herb, growing as high as . The sessile or nearly sessile leaves are linear to lanceolate. The leaves are typically cauline and measure long to wide. The actinomorphic flowers are clustered in crowded racemes.
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Amauroderma sessile is a polypore fungus in the family Ganodermataceae. It was described as a new species in 2015 by mycologists Allyne Christina Gomes- Silva, Leif Ryvarden, and Tatiana Gibertoni. The specific epithet sessile (from the Latin word sessilis = without a stipe) refers to the characteristic stipe-free fruit body. A. sessile is found in the states of Amazonas, Mato Grosso, and Pará in the Brazilian Amazon.
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They are sessile, very small, and yellow in color; Inflorescence - spikes; trees dioecious.
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The sessile flowers, creamy or white, appear more profusely when stimulated by bushfire.
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Leaves and acorns of the sessile oak The national tree of the Republic is the sessile oak (Quercus petraea), declared as such in 1990 by Taoiseach Charlie Haughey. Other accounts give the strawberry tree (Arbutus unedo) as the national tree.
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Fruit c. 2.5–3.2 cm long, sessile, pubescent, 10–15-seeded. Fl.Per. May–September.
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Sessile filter feeders like this Carboniferous crinoid, the mushroom crinoid (Agaricocrinus americanus), were significantly less abundant after the P–Tr extinction. Prior to the extinction, about two thirds of marine animals were sessile and attached to the sea floor. During the Mesozoic, only about half of the marine animals were sessile while the rest were free-living. Analysis of marine fossils from the period indicated a decrease in the abundance of sessile epifaunal suspension feeders such as brachiopods and sea lilies and an increase in more complex mobile species such as snails, sea urchins and crabs.
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Gaddy, L. L. 2008. A new sessile-flowered Trillium (Liliaceae: subgenus Phyllantherum) from South Carolina. Phytologia 90:382-389. Wateree trillium most closely resembles the sessile-flowered trilliums, T. lancifolium and T. recurvatum, but is distinguished from these chiefly by floral anatomy.
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Of the sessile trilliums, only T. recurvatum and T. petiolatum have petiolate leaves, but apart from this, the two species have little else in common. Based on flower parts and reproductive organs, T. petiolatum appears to be more closely related to T. sessile.
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Sabicea amazonensis is a twining creeper which has equal to almost equal leaves. The stipules are entire to two-toothed and less than 15 mm long. The bracts are free or almost free. The inflorescence is unbranched and sessile or almost sessile.
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In March T. sessile foraged during the day, but in April that pattern changed and the ant began to forage during both day and night. During most of the summer, T. sessile shows low levels of activity throughout the day and night.
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These cement themselves to the substrate and remain sessile for the rest of their lives.
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If the sessile grazers colonize a patch first, they exclude the macroalga, and vice versa.
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The style is short or absent. The ovary is mostly sessile and has nectary glands.
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Epizoic barnacles are sessile, marine crustaceans and constitute a model system featuring the above conditions.
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Tapinoma sessile is a species of small ant that goes by the common names odorous house ant, sugar ant, stink ant, and coconut ant. Their colonies are polydomous (consist of multiple nests) and polygynous (contain multiple reproducing queens). Like many social insects, T. sessile employs complex foraging strategies, allocates food depending on environmental conditions, and engages in competition with other insects. T. sessile can be found in a huge diversity of habitats, including within houses.
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The woodland (acidic areas) is dominated by sessile oak with silver birch and wild cherry. Wild service-tree is found throughout the site. The understorey is mostly hazel with hawthorn and holly. The woodland along the streams is mostly sessile oak and, locally, alder.
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Pink volcano barnacles, Teraclita rubescens Darwin 1854. Estero Bluffs State Park, Calif. Tetraclita rubescens , the pink volcano barnacle, is a species of sessile barnacle in the family Tetraclitidae. T. rubescens is a sessile barnacle with a diameter usually to 30 mm, rarely to 50 mm.
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The natural vegetation would be mixed sessile oak-hornbeam-pine woodland, oak and beech forest and mixed beech- sessile oak-English oak woodland. The Lusatian Border Ridge also forms the boundary between Lower and Upper Lusatia, hence the name, which literally means "Lusatian Border Dyke".
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Nannizziopsis pluriseptata is a keratinophilic microfungus in the family Onygenaceae that causes skin infections in reptiles, producing hyaline, thin- walled, small, sessile conidia and colonies with a strong skunk-like odour. It is distinguished by its production of 1- to 5-celled sessile conidia.
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Platax teira is an omnivore. It will eat plankton, sessile invertebrates, small invertebrates, and marine algae.
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Dilemma is a genus of marine bivalves of the family Poromyidae. The genus is remarkable for encompassing predators of isopods and ostracods, unusual for sessile molluscs.Leal J. H. (2008). "A remarkable new genus of carnivorous, sessile bivalves (Mollusca: Anomalodesmata: Poromyidae) with descriptions of two new species".
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Sessile serrated adenoma seen under microscopy with H&E; stain. Serrated polyposis syndrome often does not cause symptoms. The risk of colon cancer is between 25 and 40%. Sessile serrated polyps, as seen during endoscopy or colonoscopy, are flat (rather than raised) and are easily overlooked.
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Subshrubs, shrubs, or rarely, small trees. - Leaves opposite, distichous. Stipules interpetiolar, usually persistent. - Inflorescences axillary, usually sessile.
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Cirrothauma murrayi has about six strong sessile suckers which help them swim as well as hunt fish.
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Melaleuca apodocephala was first formally described in 1852 by Nikolai Turczaninow in "Bulletin de la classe physico-mathematique de l'Academie Imperiale des sciences de Saint- Petersburg". The specific epithet (apodocephala) is from the latinised Greek apodus meaning "sessile" and -cephalus meaning "headed", referring to the sessile fruiting capsules.
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Trillium luteum was first described by Muhlenberg in 1813 as T. sessile var. luteum but the taxon was later given specific rank by Harbison. Given this history, it's not surprising that T. luteum is often sold under the name of T. sessile var. luteum, which has caused some confusion.
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Because the T. sissile forages at the same time as dominant species, but avoids other foraging ants, they must have excellent exploitative abilities to survive. One of the invasive species that T. sessile has had to contend with is the Argentine ant, Linepithema humile. Studies of its interactions with L. humile has helped researchers better understand the aggression of T. sessile. T. sessile ants rarely fight alongside their nest-mates: They only were observed to have fought collectively in six of forty interactions.
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The plant grows to a height of up to . Stipules are absent, the taproot is white or brown, and the stem is quadrangular. Sub-sessile leaves are linear-lanceolate or elliptic-lanceolate, long, not lobed or divided, blunt at the tip, obtuse, entire or cerrulate, glandular, hispid and coarsely dentate at the margins. Whorls of many flowers are bisexual, sessile or sub-sessile, usually in terminal whorls in diameter, grouped together in an axillary, corolla white in color and 2 cm long.
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The shapes of three-dimensional sessile and pendant drops have been successfully predicted using this energy minimisation method.
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The fruit is a sessile, cup-shaped to hemispherical capsule, long and wide, the valves near rim level.
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Solitary, sessile tunicate. Incurrent and excurrent siphons directed upwards, away from substratum. Without dorsal nerve cord as adult.
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Her work laid the foundation for culture-based identifications in this group of fungi. Nobles recognized that there were differences in cultural characteristics between G. oregonense, G. sessile, and G. tsugae . Although Nobles recognized G. lucidum in her 1948 publication as a correct name for the taxon from North American isolates that produce numerous broadly ovoid to elongate chlamydospores (12.0-21.0 x 7.5-10.5 μm), she corrected this misnomer in 1968 by amending the name to G. sessile . Clarifying further, Bazallo & Wright and Steyaert agree with Haddow’s distinction between G. lucidum and G. sessile on the basis of “smooth” spores, but they synonymize G. sessile with G. resinaceum, a previously described European taxon.
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Animals and fungi are both heterotrophs, unlike plants, and while fungi are sessile like plants, there are also sessile animals. Cavalier-Smith and Stechmann argue that the uniciliate eukaryotes such as opisthokonts and Amoebozoa, collectively called unikonts, split off from the other biciliate eukaryotes, called bikonts, shortly after they evolved.
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Blue mussels, Mytilus edulis, are sessile and exhibit clumping Clumping is a behavior in sessile organisms, in which individuals of a particular species group closely to one another for beneficial purposes, and can be seen in coral reefs and cochineal populations. This allows for faster reproduction and better protection from predators.
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The species is dioecious, the sexes occur on separate plants, with clusters of spermatangial branches, sessile cystocarps and tetrasporangia.
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Flowering mainly occurs from February to March and the fruit is a sessile, woody capsule that eventually falls off.
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Its inflorescence is composed of two opposite triads, with the all the flowers being sessile. The leaves are flat.
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Harvested rhubarb petioles with leaves attached The petiole is a stalk that attaches a leaf to the plant stem. In petiolate leaves, the leaf stalk (petiole) may be long, as in the leaves of celery and rhubarb, short or completely absent, in which case the blade attaches directly to the stem and is said to be sessile. Subpetiolate leaves have an extremely short petiole, and may appear sessile. The broomrape family Orobanchaceae is an example of a family in which the leaves are always sessile.
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The overgrown petioles of rhubarb (Rheum rhabarbarum) are edible. Petiolated leaves have a petiole (leaf stalk), and are said to be petiolate. Sessile (epetiolate) leaves have no petiole and the blade attaches directly to the stem. Subpetiolate leaves are nearly petiolate or have an extremely short petiole and may appear to be sessile.
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Micrograph of a sessile serrated adenoma. H&E; stain Sessile serrated adenomas are characterized by (1) basal dilation of the crypts, (2) basal crypt serration, (3) crypts that run horizontal to the basement membrane (horizontal crypts), and (4) crypt branching. The most common of these features is basal dilation of the crypts.
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The polyps consist of dense, fibrous tissue (stroma), blood vessels and glandlike spaces lined with endometrial epithelium. If they are pedunculated, they are attached by a thin stalk (pedicle). If they are sessile, they are connected by a flat base to the uterine wall. Pedunculated polyps are more common than sessile ones.
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Tetraclita is a genus of sessile barnacles in the family Tetraclitidae. There are more than 20 described species in Tetraclita.
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The closest relative of Hypericum humboldtianum is Hypericum callacallanum in Peru, which has three-nerved sessile leaves and larger flowers.
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The fruit is a woody, sessile cup-shaped to hemispherical capsule long and wide with two wings along the sides.
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Although not strictly vegetation, sessile marine invertebrates such as mussels and oysters, have also been shown to form banding patterns.
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The fruits are ovate. The lower leaves are glabrous, bi- to tripinnate, and borne on petioles, while the upper leaves are nearly sessile to sessile. The stems are split at the caudex and are up to 60 centimeters tall. This species grows in wet areas such as meadows and riverbanks, and on gravelly slopes.
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Uvularia sessilifolia, the sessile bellwort, sessileleaf bellwort, little merrybells or wild oats, is a species of bellwort native to eastern and central North America. It grows in woodlands with wet or dry soils. The strap- like leaves are sessile on the stem. The flowers are yellow, narrowly bell- shaped, and creamy yellow, blooming in spring.
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The term sessility is also used in mycology to describe a fungal fruit body that is attached to or seated directly on the surface of the substrate, lacking a supporting stipe or pedicel. Other examples of sessile flowers include Achyranthus, Saffron, etc. Plant parts can also be described as subsessile, which is not completely sessile.
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An endometrial polyp or uterine polyp is a mass in the inner lining of the uterus. They may have a large flat base (sessile) or be attached to the uterus by an elongated pedicle (pedunculated). Pedunculated polyps are more common than sessile ones. They range in size from a few millimeters to several centimeters.
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Members of this genus are shrubs or dwarf shrubs that occupy mountainous habitats. Their leaves are oppositely arranged, small, sessile or sub-sessile, and possess inconspicuous secondary venation. Flowers are tetra- or pentamerous, with the stamens adnate to the white or pink funnelform or salverform corolla. The fruit is a capsule with septicidal dehiscence.
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"Smooth" basidiospores of G. sessile at 100x magnification In a multilocus phylogeny, the authors revealed that the global diversity of the laccate Ganoderma species included three highly supported major lineages that separated G. oregonense/G. tsugae from G. zonatum and from G. curtisii/G. sessile, and these lineages were not correlated to geographical separation. These results agree with several of the earlier works focusing mostly on morphology, geography and host preference showing genetic affinity of G. resinaceum and G. sessile, but with statistical support separating the European and North American taxa.
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Trillium sessile, known as toadshade, sessile trillium, sessile-flowered wake- robin, and toad trillium, is a perennial spring wildflower native to the central part of the eastern United States and the Ozarks. Toadshade can be distinguished from other Trillium species by its single, foul smelling, stalkless, flower nestled in the middle of its three bracts. The bracts are sometimes, but not always mottled with shades of light and dark green. The specific epithet comes from the Latin word sessilis which means low sitting, referring to its stalkless flower.
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Flowers Inflorescence axillary solitary or racemes, 1–2 cm long; flowers sessile. Fruit& seed Drupe, cylindrical or ellipsoid, 1.1 cm long.
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The petioles are 1 cm long. Catkins are sessile and usually bracteate. S. sericea blooms in May and fruits in June.
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There is some sessile oak and along the riverside alder. Some of the wood has developed to a high forest structure.
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The stigmas are recurved at the tips. It is distinguished from other sessile-flowered Trillium species, such as Trillium sessile, by its reflexed sepals. The fruit is green, sometimes streaked with purple or white, with six well-developed ridges. The seeds have an oil-rich structure called an elaiosome, which promotes dispersal by ants and other foraging insects.
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The gonophores in the family Corynidae are borne on hydranths and either liberated as free medusae or retained as medusoids or sessile sporosacs. The gonophores in the family Hydrocorynidae are borne in clusters on proximal part of hydranth body or develop from hydrorhiza (i.e. the stalk of a colony). The gonophores develop into free medusae or sessile sporosacs.
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Poromyidae is a family of saltwater clams, marine bivalve molluscs in the order Anomalodesmata. The genus Dilemma, described in 2008, is remarkable for being a predator of copepods, which is very unusual for a sessile mollusc.Leal J. H. (2008). "A remarkable new genus of carnivorous, sessile bivalves (Mollusca: Anomalodesmata: Poromyidae) with descriptions of two new species".
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The fine nerves are more or less equal and parallel. The upper and lower leaf surfaces are similar. In spring and early summer, sweetly perfumed flowers are produced in large, dense panicles (flower spikes) long, bearing well-spaced to somewhat crowded, almost sessile to sessile flowers and axes. The flowers are crowded along the ultimate branches of the panicles.
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Trillium sessile is most common in rich, moist woods but also can be found in limestone woods, flood plains, and along fence rows. It is persistent under light pasturing. The foul smelling flowers attract its primary pollinators, flies and beetles.Missouri Plants: T. sessile The seeds have an elaiosome which attracts ants and wasps such as Vespula species.
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It is erect, greyish green in colour and, as the name suggests, usually interrupted, sometimes even reduced to a single spikelet. Its branches measure up to 15 mm in length. The sessile (i.e. without a stalk) or nearly sessile spikelets occur in dense clusters with each measuring 10 to 15 mm long by 5 to 8 mm broad.
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Austrobalanidae is a family of sessile barnacles in the order Sessilia. There are about 5 genera and 13 described species in Austrobalanidae.
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Chonotrichia is a subclass of phyllopharyngeid ciliates. These single-celled organisms are sessile at maturity and usually live on crustaceans as ectosymbionts.
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Its - to -inch-long leaves are attached to the stems without a little stem (petiole) at the bottom of the leaf (sessile).
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The fruit are sessile, hemispherical to broadly funnel-shaped, long and wide with the valves level with the rim or slightly protruding.
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It is a colonial sessile insectivore. The juveniles of this species are 36–65 mm in length. It is an oviparous fish.
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This plant is sometimes used in woodland wildflower gardens. Like many trilliums, T. sessile often does not transplant successfully from the wild.
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Such extensive algal cover is likely to kill corals, sponges and other sessile invertebrates, and force more mobile organisms to move elsewhere.
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Forests occupy 13.7% of district territory that include common oak, sessile oak, cherry, lime, ash. Of plants: fescue, nettle, clover, peony and more.
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T. sessile is native to North America and ranges from southern Canada to northern Mexico, but is less common in the desert southwest.
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The zoaea larva can be recognized by the flattened blade at the end of the telson, the smooth rostrum and the sessile eyes.
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A sessile serrated lesion (SSL) is a premalignant flat (or sessile) lesion of the colon, predominantly seen in the cecum and ascending colon. SSLs are thought to lead to colorectal cancer through the (alternate) serrated pathway. This differs from most colorectal cancer, which arises from mutations starting with inactivation of the APC gene. Multiple SSLs may be part of the serrated polyposis syndrome.
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The flowers are borne singly in leaf axils and are and sessile. The sepals are usually pink, glabrous and long. The petals are white, sometimes pink, egg-shaped to round, long and the stamens are long. Flowering occurs from June to October and the fruit is a sessile, thick-walled, glabrous capsule about long and wide with a hemispherical hypanthium.
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Zoologischer Anzeiger 199, 164-172. is supported by the observation that niches of asexual stages are often wider than those of sexually mature stages; that niches become narrower at the time of mating; and that microhabitats of sessile species and of species with small population sizes often are narrower than those of non-sessile species and of species with large population sizes.
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Tetraclitidae is a family of sessile barnacles in the order Sessilia. There are about 10 genera and more than 60 described species in Tetraclitidae.
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Ganoderma sessile is the most prevalent species in Eastern North America and is likely the species that many used medicinally in the United States.
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Megabalanus is an acorn barnacle, a sessile crustacean that secretes a calcium carbonate shell consisting of five plates. It reaches up to in height .
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Small, shrubby perennial plants with spiny leaves. Flowers white or pink, sessile in solitary or globose heads. Spiny bracts. Calyx cylindrical, with 5 teeth.
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Pyura doppelgangera (doppelganger cunjevoi) is a sessile ascidian, or sea squirt, that lives in coastal waters of Australasia attached to rocks or artificial structures.
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Other naturally occurring tree species include sycamore, Norway maple, ash, elm, sessile oak, pedunculate oak, silver birch, alder, larch, goat willow, and wild cherry.
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Clavelina robusta is a species of tunicate (sea squirt), in the genus Clavelina (the "little bottles"). Like all ascidians, these sessile animals are filter feeders.
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Clavelina sabbadini is a species of tunicate (sea squirt), in the genus Clavelina (the "little bottles"). Like all ascidians, these sessile animals are filter feeders.
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Molecular Genetics and Evolution, 36, 598–605 They possess marginal plates, and have sessile pedicellariae. They mostly inhabit soft-bottomed environments of sand or mud.
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Frank partial dislocations are sessile, or immobile, but can move by diffusion of atoms.Meyers and Chawla. (1999) Mechanical Behaviors of Materials. Prentice Hall, Inc. 217.
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Buchanania sessilifolia is a tree in the family Anacardiaceae. The specific epithet ' is from the Latin meaning "leaf without stalk", referring to the sessile leaves.
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Clathrulina elegans is a species of heliozoan eukaryotes in the order Desmothoracida, which are a group of organisms usually sessile and found in freshwater environments.
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The main hosts of this insect are oak species, including English oak (Quercus robur), sessile oak (Q. petraea), downy oak (Q. pubescens), evergreen oak (Q.
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A preliminary discomycete flora of Macronesia: Part 8, Orbiliaceae. Mycotaxon 45: 503–10. Drechslerella, Helicoön,Pfister DH. (1995). Helicoon sessile, the anamorph of Orbilia luteorubella.
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The Dymock Woods site (comprises Dymock Wood, Daw's coppice, Betty Daw's Wood and Colonel's Grove) is a few miles south-west of Dymock which is in north-west Gloucestershire. The site has the best areas of mature sessile oak which remain in Dymock Forest. These sessile oak plantations have developed a high forest structure. Dymock Forest is important for invertebrates such as moths and butterflies.
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The two primary types of dislocations are sessile dislocations which are immobile and glissile dislocations which are mobile. Examples of sessile dislocations are the stair-rod dislocation and the Lomer–Cottrell junction. The two main types of mobile dislocations are edge and screw dislocations. Edge dislocations can be visualized as being caused by the termination of a plane of atoms in the middle of a crystal.
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An endometrial polyp or uterine polyp is a polyp or lesion in the lining of the uterus (endometrium) that takes up space within the uterine cavity. Commonly occurring, they are experienced by up to 10% of women. They may have a large flat base (sessile) or be attached to the uterus by an elongated pedicle (pedunculated). Pedunculated polyps are more common than sessile ones.
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The flowers buds are arranged in leaf axils in groups of three on an unbranched peduncle long, the individual buds sessile. Mature buds are cylindrical, long and wide and often glaucous, with a rounded to conical operculum. Flowering occurs in February and the flowers are white. The fruit is a sessile, woody, bell-shaped capsule long and wide with the valves protruding above the rim.
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The flower buds are arranged in leaf axils in groups of seven on a thick, unbranched peduncle long, the individual buds sessile or on pedicels up to long. Mature buds are oval, long and wide with a ribbed, conical or beaked operculum about equal in length to the operculum. The fruit is a sessile, cup-shaped capsule long and wide with the valves at rim level.
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Hyolithids were benthic (bottom-dwellers), using their helens as stilts to hold the opening of their shells above the sea floor. Orthothecids did not have helens, but are presumed to have been sessile and benthic. In the Cambrian, their global distribution shows no sign of provinciality, suggesting a long-lived planktonic larval life stage (reflected by their protoconchs); but by the Ordovician distinct assemblages were becoming evident. Some orthothecids are preserved in vertical [life] orientation, suggesting a sessile suspension-feeding habit; hyolithids tend to be flat on the bottom, and their shape and the occurrence of epibionts are consistent with a sessile suspension feeding habit via orientation relative to passive currents.
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Individuals with SPS have serrated polyps, which include hyperplastic polyps, traditional serrated adenomas, and sessile serrated polyps. In addition to serrated polyps, adenomas are often identified.
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This brittle star lives in the intertidal zone in shallow water, and can be found under large stones, shells, and around sessile invertebrates such as bryozoans.
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Blue Mussels are semi-sessile, having the ability to detach and reattach to a surface allowing the mollusk to reposition itself relative to the water position.
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Odorous house ants appear to be highly tolerant of other ants, with compound nests consisting of multiple ant species that included T. sessile having been observed.
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Inflorescence in racemes smaller than leaves. Perianth made of 6 petal-like yellow sepals, in diameter. Stamens ; anthers oval. Ovary topped by a thick sessile stigma.
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Sălaj landscape presents areas with forests of oak, sessile, beech and other deciduous, pastures and agricultural land planted with vines, fruit trees, grain alternating with anthropogenic landscapes.
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This small mouth is well adapted for feeding on plankton in the water column. As planktivores, members of Genicanthus generally will not nip corals and sessile invertebrates.
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Some rotifers are free swimming and truly planktonic, others move by inchworming along a substrate, and some are sessile, living inside tubes or gelatinous holdfasts that are attached to a substrate. About 25 species are colonial (e.g., Sinantherina semibullata), either sessile or planktonic. Rotifers are an important part of the freshwater zooplankton, being a major foodsource and with many species also contributing to the decomposition of soil organic matter.
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In sessile peritrichs, for instance, one sexual partner (the microconjugant) is small and mobile, while the other (macroconjugant) is large and sessile. ;Stages of conjugationStages of conjugation in Paramecium caudatum In Paramecium caudatum, the stages of conjugation are as follows (see diagram at right): # Compatible mating strains meet and partly fuse # The micronuclei undergo meiosis, producing four haploid micronuclei per cell. # Three of these micronuclei disintegrate. The fourth undergoes mitosis.
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It is branched from the base, the older parts gradually becoming knotty and very thick. The leaves are 80 millimeters long and 4–8 millimeters wide clustered at the tips of the stems. They are green and glaucous, sessile, varying in shape from linear-lanceolate to ovate. The inflorescences are terminal cymes, usually reduced to a single semi-sessile 6 millimeters wide cyathium at the tip of each stem.
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The binomial name Tapinoma sessile was assigned by Thomas Say in 1836. Sessile translates to "sitting" which probably refers to the gaster sitting directly on top of the petiole in the abdomen of the ant species. The common names "odorous house ant" and "coconut ant" come from the odor the ants produce when crushed, which is very similar to the pungent odor of a rotting coconut, blue cheese, or turpentine.
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The insect struggles, triggering more glands and encasing itself in mucilage. The sessile glands, which lie flat on the leaf surface, serve to digest the insect prey. Once the prey is entrapped by the peduncular glands and digestion begins, the initial flow of nitrogen triggers enzyme release by the sessile glands. These enzymes, which include amylase, esterase, phosphatase, protease, and ribonuclease break down the digestible components of the insect body.
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The centrohelids or centroheliozoa are a large group of heliozoan protists. They include both mobile and sessile forms, found in freshwater and marine environments, especially at some depth.
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Calyx sessile; tube 1/4 in. long, densely pubescent, with 10 raised ribs; upper lip small, oblong, pointed, entire; lower orbicular-cuneate, 3/4 in. broad, faintly crenate.
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Rovereta is a village (curazia) in San Marino. It belongs to the municipality (castello) of Serravalle. Its name, in Italian language, refers to a wood of "Sessile Oaks".
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Delicate, erect herb to 15 cm, with spreading hairs. Leaves broadly oblong-elliptic to orbicular, 0.5-1 x 0.3–07 cm. Flowers lilac-blue, <0.8 cm long, sessile.
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Tricharia vainioi has sessile, dark brown apothecia that are either slightly constricted at the base or not at all. Its ascospores measure 32–54 by 15–28 μm.
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It is a perennial herb that can grow to 60–150 cm tall. Its stems woody at base with sessile leaves that can reach 5-11 cm long.
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It is similar to P. neriifolia, but has a more westerly distribution. P. neriifolia has sessile (no petiole) leaves, which curve upwards and are often somewhat more greenish.
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Here is an abandoned quarry in a mature woodland of predominantly sessile oak, this latter habitat also being named as contributary to the Special Area of Conservation listing.
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Shrubby tree reaching up to . Branches blackish red. provided with strong yellow spines, close to each other, often 3-parted. Leaves glabrous, sessile, long over wide, strongly innerved.
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Larvae are ~200 microns in length when discharged from an adult and dispersed through water until becoming sessile adults. Adults can reach a length of about 5 cm.
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Flowers orange and cream-coloured. Stigma glabrous, sessile. Fruit ellipsoid- cylindrical, 3-6 cm long, 1.8 -3 cm thick. Seeds ellipsoid-oblong, 10-22 mm by 5-8 mm.
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Flowers sessile or subsessile on pedicels 2 – 4 mm long. Sepals about 5 mm long, with usually 18 ribs, corolla white. Aggregate fruit globular, 5 – 7 mm in diameter.
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Actinotus suffocatus is a small, rhizomatous, mat-forming perennial herb with leaves in a basal rosette and a cup-shaped inflorescence of sessile flowers on a short, erect scape.
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Cleddon Shoots is an area of acidic woodland on the east facing slope of the valley above Llandogo. The main trees present are Sessile Oak, Beech, Ash and Alder.
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The flower buds are usually arranged in groups of seven in leaf axils on a thick peduncle up to long but the individual flowers are sessile. Mature buds are oblong or oval to more or less spherical, long and wide with a conical or rounded operculum. Flowering occurs in autumn and the flowers are white. The fruit are sessile, hemispherical to cup-shaped or conical, long and wide with the valves protruding.
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Christopher Rullison, "A Practical Comparison of Techniques Used to Measure Contact Angles for Liquids on Non-Porous Solids". Kruss Laboratories technical note #303. Strictly speaking, this is not a sessile drop technique, as we are using a small submerging pool, rather than a droplet. However, the calculations described in the following sections, which were derived for the relation of the sessile drop contact angle to the surface energy, apply just as well.
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Bosistoa pentacocca is a tree that typically grows to a height of about . It has grey, blotchy and scaly bark and pinkish-red new growth. The leaves are pinnate, long on a petiole long and there are between three and thirteen elliptical to lance-shaped leaflets. The leaflets are long and wide, the side leaflets sessile or with a petiolule up to long and the end leaflet sessile or on a petiolule up to long.
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All species are sessile. While the great majority are marine, two species live in freshwater: Loxosomatoides sirindhornae, reported in 2004 in central Thailand, and Urnatella gracilis, found in all the continents except Antarctica. Colonial species are found in all the oceans, living on rocks, shells, algae and underwater buildings. The solitary species, which are marine, live on other animals that feed by producing water currents, such as sponges, ectoprocts and sessile annelids.
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The flower buds are arranged in leaf axils in groups of seven on an unbranched peduncle long, the individual buds usually sessile. Mature buds are oblong to oval, long and wide with a conical to rounded operculum. Flowering occurs between March and August and the flowers are white. The fruit is a sessile, woody cup-shaped, cylindrical or barrel-shaped capsule long and with the valves below rim level or slightly protruding.
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The flower buds are arranged in leaf axils in groups of three or seven on an unbranched peduncle up to long, the individual buds sessile. Mature buds are warty, oval to spherical, long and wide with a conical to rounded or flattened operculum. Flowering occurs from April to November and the flowers are white. The fruit is a sessile, woody, hemispherical or cup-shaped capsule long and wide with the valves usually protruding.
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Juvenile leaves are mostly arranged in opposite pairs, sessile, elliptic to egg-shaped, long and wide. Adult leaves are quite thick, veiny, lance-shaped or curved, the same glossy green on both sides, long and wide on a petiole long. The flower buds are arranged in leaf axils in groups of three on an unbranched peduncle long, the buds sessile. Mature buds are oval, long and wide with a conical to slightly beaked operculum.
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Spermatangial receptacles, where the male gametes occur in small cups, are at the end of the side branches. Cystocarps are spherical and sessile and tetraspores are produced in small branchlets.
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The coriaceous leaves are sessile, arising from clasping sheathes which cover the stem. The congested paniculate inflorescence arises from the apex of the stem and bears small, fleshy yellow flowers.
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Clavelina picta, common name the painted tunicate, is a species of tunicate (sea squirt), in the genus Clavelina (the "little bottles"). These animals, like all ascidians, are sessile filter feeders.
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Leaves are present from November to April and are made up of 3-5 stalkless (sessile) leaflets with finely toothed edges (teeth about long). Most baobab species have untoothed leaves.
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Ancula gibbosa feeds on Ectoprocta. It has been reported to possibly feed on a variety of sessile organisms, but these are just the substratum to which the ectoprocts are attached.
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The calyx lobes are less than 3 mm long. The corolla throat is covered in short trichomes. The ovary is 3-5 locular, and the mature red fruits are sessile.
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All the above-ground vegetative parts are covered with finely branched hairs. Leaves are sessile (without ), ovate to elliptical, up to 4 mm (0.16 inches) long. Petals 4, white, narrow.
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Female flowers have a calyx with sessile laciniae. The ovary is appressed, broadly ovate, apiculate, and denticulate. The style column very short. Sepals of male flowers are subulate and entire.
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Courset's U. nemoralis had oblong, almost smooth, regularly toothed leaves, and sessile flowers. A Ukrainian herbarium specimen labelled U. nemoralis, possibly erroneously, shows Zelkova × verschaffeltii-like leaves (see 'External links').
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Some flowers are bisexual and others are female, the female flowers shorter. The bracts are sessile, lance-shaped to egg-shaped, long and wide. The fruit is green and long.
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As such, deep-water squid have the greatest known penis length relative to body size of all mobile animals, second in the entire animal kingdom only to certain sessile barnacles.
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Most are small, sessile detritivores (deposit feeders) which live in small tubes they build from mud or similar substrate, or burrow in the sand. Their central nervous system displays characteristic apomorphies.
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Phebalium brevifolium is a species of small shrub that is endemic to Western Australia. It has warty branchlets, sessile, wedge-shaped leaves and up to three white flowers arranged in umbels.
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Cabobanthus polysphaerus grows as a herb, measuring up to tall. The sessile leaves are oblong and measure up to long. The capitula feature about 5 purple flowers. The fruits are achenes.
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Candelabrum capensis, or gnome's hat hydroid, is a species of sessile hydroid cnidarian. It is a member of the family Candelabridae.Millard, N.A.H. 1975. Monograph on the Hydroida of Southern Africa. Ann.
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Chrysosporium longisporum is a keratinophilic microfungus in the family Onygenaceae that causes skin infections in reptiles, producing hyaline, thin- walled, small, sessile conidia and colonies with a strong skunk-like odour.
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Nannizziopsis draconii is a keratinophilic microfungus in the family Onygenaceae that causes skin infections in reptiles, producing hyaline, thin- walled, small, sessile conidia and colonies with a strong skunk-like odour.
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Pedicels are up to 35 mm long and most have filiform bracteoles. They are one- to three-flowered. Tepals are oblong-lanceolate and approximately 4 mm long. The ovary is sessile.
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In warmer, saltier regions it forms dense beds which, exclude other sessile bivalves; but in colder, less saline regions, such as the Aegean Sea, it forms smaller, less densely populated beds.
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In a 1920 report on Polyporaceae of North America, Murrill conceded that G. sessile was closely related to the European G. lucidum . It is difficult to determine if this concession was the result of political scrutiny or from a scientific foundation, due to the retention of the name by Murrill in a later publication and a single herbarium collection in 1926 (www.mycoportal.org). Approximately a decade later, Haddow considered G. sessile a unique taxon, but suggested Atkinson’s G. subperforatum was a synonym of G. sessile, on the basis of the “smooth” spores, which was the original basis of G. subperforatum when earlier erected by Atkinson in 1931. Until this point, all identifications of Ganoderma taxa were based on fruiting body morphology, geography, host, and spore characters.
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The flower buds are mostly arranged on the ends of branchlets in groups of seven on a branching peduncle long, the individual buds sessile or on pedicels up to long. Mature buds are oval to cylindrical, long and wide with a rounded operculum. Flowering occurs between May and October and the flowers are white. The fruit is a sessile, woody, cup-shaped to funnel-shaped capsule long and wide with the valves protruding above the rim.
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Buddleja hatschbachii is a hermaphroditic subshrub 1 m high with brownish bark. The young branches are quadrangular, and covered with a whitish tomentum, bearing sessile lanceolate leaves 10 - 16 cm long by 2.5 - 4.5 cm wide, membranaceous, glabrescent above, and lanose below. The cream or white inflorescence is 10 - 20 cm long. The sessile perfect flowers occur in pairs of cymes, each with 3 - 12 flowers, borne in the axils of the reduced leaves or bracts.
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Buddleja jamesonii is a trioecious shrub 0.5 - 1.5 m high with greyish fissured bark at the base. The stems are subquadrangular and lanose, crowded with leaves on short axillary branches. The leaves are sessile, lanceolate and comparatively small, 3 - 4 cm long by 1 - 2 cm wide, lanose on both sides. The cream inflorescence typically comprises just one terminal head, occasionally with a pair of additional sessile heads, each 0.8 - 1.6 cm in diameter, with 15 - 30 flowers.
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Holdfast torn from the sea floor by a storm Eocrinoid holdfasts on an Ordovician hardground in Utah. A holdfast is a root-like structure that anchors aquatic sessile organisms, such as seaweed, other sessile algae, stalked crinoids, benthic cnidarians, and sponges, to the substrate. Holdfasts vary in shape and form depending on both the species and the substrate type. The holdfasts of organisms that live in muddy substrates often have complex tangles of root-like growths.
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Hydra attached to a substrate Sessility is the biological property of an organism describing its lack of a means of self-locomotion. Sessile organisms for which natural motility is absent are normally immobile. This is distinct from the botanical meaning of sessility, which refers to an organism or biological structure attached directly by its base without a stalk. Sessile organisms can move via external forces (such as water currents), but are usually permanently attached to something.
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Spikelets on each raceme are in pairs; one spikelet is fertile and sessile, and the other is sterile and pedicelled. Sessile spikelets are 4–6 mm long and contain two florets, one sterile and one fertile; the pair lack a rachilla extension between them. The awn of the upper lemma reaches up to 2 cm. Glumes are unalike; the lower glume is ovate with a ridged, convex surface, and the upper is thinner and boat- shaped.
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Eremophila victoriae is small shrub with sessile, egg-shaped leaves and purple flowers and that is endemic to Western Australia. It is only known from two populations in the Great Victoria Desert.
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The fruit is a woody, cup-shaped, bell-shaped or conical capsule long and wide and sessile or on a very short pedicel. The valves of the fruit extend beyond the rim.
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In anatomy and botany, sessility refers to an organism or biological structure that has no peduncle or stalk. A sessile structure has no stalk. See: peduncle (anatomy), peduncle (botany) and sessility (botany).
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Muraltia are perennial, ericoid shrublets or shrubs. Their small flowers and sessile or have short stalks. usually have 3 petals and 5 sepals which are usually subequal. Their fruits contain 2 seeds.
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Pentachlaena latifolia grows as a shrub or small tree up to tall. Its coriaceous leaves are elliptic to circular in shape. The flowers are either almost sessile or borne on short peduncles.
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Half, or not quite oval. Serrated. Notched, like the teeth on a saw. Serriform. In the form of series. Sessile. Attached without a stem, as the eyes in some water snails. Shouldered.
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Adults lay their eggs on the buds of various species of oak, including common oak (Quercus robur), sessile oak (Q. petraea), downy oak (Q. pubescens), Algerian oak (Q. canariensis), chestnut oak (Q.
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Rhabdopleura normani is a small, marine species of worm-shaped animal known as a pterobranch. It is a sessile suspension feeder, lives in clear water, and secretes tubes on the ocean floor.
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The Suffragette Oak in Kelvingrove Park, Glasgow The Suffragette Oak is a sessile oak tree (Quercus petraea) in Kelvingrove Park in Glasgow, Scotland. It was named Scotland's Tree of the Year in 2015.
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Gorgonia flabellum, also known as the Venus fan, Venus sea fan, common sea fan, West Indian sea fan, and purple gorgonian seafan, is a species of sea fan, a sessile colonial soft coral.
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Australis (Jablonszky) and Nanopetalum (Hassk.). The persistent calyx, sessile male flowers and non-striated capsules are similar to C. stipitatus,Cleistanthus stipitatus f. subcanescens Jabl. is a synonym of Cleistanthus stipitatus (Baill.) Müll.Arg.
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Eremophila scrobiculata is low, spreading shrub with sessile, linear leaves and lilac-coloured flowers and that is endemic to Western Australia. It grows on the slopes of low, stony hills on Wanna Station.
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The pair are the only two sessile oaks in the park. The Woodland Trust described the Allerton Oak as "a spectacular example of a city tree" and valued it at £500,000 in 2019.
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Haliangium tepidum is a species of moderately halophilic myxobacteria. It produces yellow fruiting bodies, comprising several sessile sporangioles in dense packs. Its type strain is SMP-10 (= JCM 11304(T)= DSM 14436(T)).
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Flowers are sessile or shortly pedicellate with perianth segments that are in length. A capsule forms later that is subglobose below and then tapers to a cylindrical apex, containing seeds that are wrinkled.
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Adult leaves are arranged alternately, the same glossy to dark green on both sides, lance-shaped or curved, long and wide on a petiole long. The flower buds are arranged singly or in groups of three or seven in leaf axils, sometimes sessile or on a short thick peduncle. The individual buds are also usually sessile, sometimes on a pedicel up to long. Mature buds are top-shaped to conical, glaucous or green, with a flattened hemispherical, warty operculum with a central knob.
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It is a small, tufted, dark red-purple or orange-red sedge. Its smooth culms (circular in cross-section) are 15-30 mm long are flattened above, and almost enclosed by light brown sheaths. The linear, almost flat leaves are 30-60 mm by 1-2.5-3 mm, with distinct nerves, and blunt apices. The terminal spike is male (on a peduncle) with the remaining sessile (or almost sessile) spikes being female, and crowded around the base of the male spike.
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Facilitation affects community diversity (defined in this context as the number of species in the community) by altering competitive interactions. For example, intertidal mussels increase total community species diversity by displacing competitive large sessile species such as seaweed and barnacles. Although the mussels decrease diversity of primary space holders (i.e., large sessile species), a larger number of invertebrate species are associated with mussel beds than with other primary space holders, so total species diversity is higher when mussels are present.
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The flower buds are arranged in leaf axils in groups of seven on a stout, unbranched peduncle long, the individual buds sessile or on pedicels up to long. Mature buds are claret-coloured, oval to spherical, long and wide, with longitudinal ribs and a beaked operculum. Flowering occurs between April and July and the flowers are yellow-cream in colour. The fruit is a woody, usually sessile, hemispherical capsule long and wide with a raised disc and four protruding valves.
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Stromatoveris is a genus of fossil organism from Chengjiang deposits of Yunnan that was originally aligned with the fossil Charnia (strictly, the Charniomorpha) from the Ediacara biota. However, such an affinity is developmentally implausible and S. psygmoglena is now thought to be either a sessile basal ctenophore, or a sessile organism closely related to ctenophores. Nevertheless, a 2018 phylogenetic analysis by Jennifer Hoyal Cuthill and Jian Han indicated that Stromatoveris was a member of Animalia and closely related to ediacarans frond-like forms.
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Trillium reliquum has a sessile flower on a curved stem at the center of its three mottled leaves that are blue-green, to green to silver in color. It flowers from March to April. From the end of a stocky underground rhizome, the plant sprouts a single shoot topped by the three mottled leaves and a single sessile flower; the flower is only half the size of the leaves. The stem is normally not erect, but rather lies along the ground.
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Terminal buds conic, 1--2 mm, apex obtuse. Leaves opposite (rarely in whorls of 3), 1--3(--5) mm, connate to 1/2 --7/8 their length; bases thickened, brown, shredding with age, ± persistent; apex obtuse. Pollen cones 2 (rarely 1 or whorled) at node, obovoid, 4--7 mm, sessile or rarely on short peduncles; bracts opposite, 6--10 pairs, yellow to red-brown, obovate, 3--4 × 2--3 mm, membranous; bracteoles slightly exceeding bracts; sporangiophores 4--5 mm, 1/2 exserted, with 4--6 sessile to short- stalked (less than 1 mm) microsporangia. Seed cones usually 2 at node, ovoid, 6--10 mm, sessile or on short, scaly peduncles; bracts opposite, 5--7 pairs, circular, 4--7 × 2--4 mm, membranous, with red-brown thickened center and base, margins entire.
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Br. ex G.Don) Mildbr. (Stylidiaceae). Austrobaileya 5(4): 589-649. Species in this section have sessile leaves that are often minute, bract-like, and rarely form rosettes. Scapes are very short or mostly absent.
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Hillsides and heights are covered by valuable mixed forest, except in the immediate vicinity of villages. The old sessile oaks harvested here, which are often several centuries old, earn the highest lumber prices overall.
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Vernonia amoena is a species of annual, flowering plant in the aster family, Asteraceae. It is endemic to Zambia and Zimbabwe. It grows up to tall. The leaves are sessile, growing long and across.
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The petals are much shorter than the sepals. The leaves are opposite, (sessile) without petioles and the sepals and bracts all green, without pale margins. The fruit petioles are erect and diffuse at maturity.
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There are male and female plants. Spermatangial branches grow near the apices of the young branches. Cystocarps are sessile. Tetraspores are formed near the ends of the branches distorting it into a spiral shape.
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Perennial, dioecious climber. The plants produce a woody hypocotyl tuber and herbaceous, up to 5 m long shoots. The shoots are glabrous and have a waxy bluish green cover. Leaves are alternate usually sessile.
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The shell may be covered by algae or other sessile marine organisms. The maximum recorded shell length is 154 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence".
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Instead of relying on any form of locomotion, most Sternorrhyncha females are sedentary or completely sessile, attached to their host plants by their thin feeding stylets which cannot be taken out of the plant quickly.
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On slopes with northern exposure of Luna and Lujerdiu valleys develop compact clusters of sessile, hornbeam, ash and elm forests. In the Hilly Plain of Transylvania appear islands of steppe, alternating with patches of forests.
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The terminal inflorescence can have the form of a cyme or a raceme. These flower from early summer well into fall. The flowers are sessile on a flexuose arched spike. The fertile flowers are hermaphroditic.
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Pinnate veins are irregularly reticulate and indistinct. They are few in number and arise obliquely to eventually curve towards the laminar apex. The lower laminar surface bears sessile glands. Tendrils reach 15 cm in length.
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Segments sessile, oblong-ovate, Pinnatilobed, in short and acute strips. Flowers 1.5 cm in diameter, bright pink. Petals equal, 2-3 times longer than calyx, rounded at apex. Beak of fruits 4–5 cm long.
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Behaimia is a genus of legume in the family Fabaceae. It is only found in Cuba. It can be distinguished from related genera, Cyclolobium and Limadendron by: > pinnately multifoliolate (vs. unifoliolate) leaves, a sessile (vs.
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Young plants and coppice regrowth have stems that are more or less square in cross-section, with a prominent wing on each corner. The juvenile leaves are sessile, arranged in opposite pairs, elliptic to egg-shaped, the lower surface covered by a white, waxy bloom, long and wide. Adult leaves are arranged alternately, glossy green, lance-shaped to curved, long and wide on a petiole long. The flower buds are arranged singly in leaf axils on a thick peduncle that is sessile or up to long.
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The leaves of young plants are arranged in opposite pairs, sessile, egg-shaped or heart-shaped to lance- shaped, long and wide. Adult leaves are arranged alternately, the same glossy green on both sides, lance-shaped to curved, long and wide on a petiole long. The edges of the leaves are irregularly toothed and are glandular. The flower buds are arranged in groups of seven in leaf axils on an unbranched peduncle long, the individual buds sessile or on a pedicel up to long.
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The risks of progression to colorectal cancer increases if the polyp is larger than 1 cm and contains a higher percentage of villous component. Also, the shape of the polyps is related to the risk of progression into carcinoma. Polyps that are pedunculated (with a stalk) are usually less dangerous than sessile polyps (flat polyps). Sessile polyps have a shorter pathway for migration of invasive cells from the tumor into submucosal and more distant structures, and they are also more difficult to remove and to ascertain.
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Inflorescence of Campanula glomerata Campanula glomerata is a perennial herbaceous plant growing to a height of , with a maximum of . The stem is simple, erect and shortly pubescent, basal leaves are petiolated, oval-lanceolate and lightly heart- shaped (cordate), while cauline leaves are lanceolate, sessile and amplexicaul. The inflorescence is formed by 15-20 sessile, actinomorphic and hermaphrodite single flowers of about 2 to 3 cm. They are in terminal racemes or in the axils of upper leaves, surrounded by an involucre of bracts.
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Boronia serrulata is an erect, woody shrub that typically grows to a height of about and has mostly glabrous branchlets. The leaves are crowded, simple, broadly egg-shaped with the narrower end towards the base, long, wide and sessile. Both sides of the leaf are the same colour and the edges have fine teeth. Up to seven cup-shaped flowers are arranged on the ends of the branchlets on a peduncle up to long, the individual flowers either sessile or on a pedicel up to long.
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The sessile glands, which lie flat on the leaf surface, serve to digest the insect prey. Once the prey is entrapped by the peduncular glands and digestion begins, the initial flow of nitrogen triggers enzyme release by the sessile glands. These enzymes, which include amylase, esterase, phosphatase, protease, and ribonuclease break down the digestible components of the insect body. These fluids are then absorbed back into the leaf surface through cuticular holes, leaving only the chitin exoskeleton of the larger insects on the leaf surface.
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The sessile glands, which lie flat on the leaf surface, serve to digest the insect prey. Once the prey is entrapped by the peduncular glands and digestion begins, the initial flow of nitrogen triggers enzyme release by the sessile glands. These enzymes, which include amylase, esterase, phosphatase, protease, and ribonuclease break down the digestible components of the insect body. These fluids are then absorbed back into the leaf surface through cuticular holes, leaving only the chitin exoskeleton of the larger insects on the leaf surface.
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Work is done by the Forestry Commission and the Gloucestershire Wildlife Trust and includes path and ride-widening, coppicing, tree-planting and pond-clearance. Necessary tree thinning is done of the sessile oak, ash and beech.
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8 pairs; tertiary nerves obliquely and distantly percurrent; petiole ca. 0.3 cm long, planoconvex in cross section, glabrous. Flowers axillary, solitary or racemes, 1–2 cm long; flowers sessile. Drupe, cylindrical or ellipsoid, 1.1 cm long.
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Cabobanthus bullulatus grows as a herb, measuring up to tall, occasionally to . The almost sessile leaves are oblong to oblanceolate and measure up to long. The capitula feature about 10 mauve florets. The fruits are achenes.
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Tepals are suborbicular in male plants and oblong in female plants. Stamens are 3 to 4 mm long including the anthers. The ovary is sessile. Fruits are 25 to 35 mm long and bear lanceolate valves.
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Redfern Natural History Productions, Poole. The stem is terete to slightly two-ridged and up to 3 mm in diameter. Internodes are up to 3 cm long. A young rosette plant Leaves are chartaceous and sessile.
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Pleurobrachia lack any sessile (attached) stages and are wholly planktonic in their life cycle. They are self-fertile hermaphroditesHirota, J. 1974. Quantitative natural history of Pleurobrachia bachei in La Jolla Bight. Fishery Bulletin 72: 295-335.
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Boronia westringioides is a species of erect shrub that is endemic to a small area in the southwest of Western Australia. It has simple, narrow, sessile leaves and pale pink flowers arranged singly in leaf axils.
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Harriman Alaska Expedition, 12: 169-346. This worm lives in a parchment-like tube with a single opening from which a crown of tentacles projects when the worm is submerged. It is a sessile filter feeder.
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The sessile, ovate pistil in long and has three carpels and three locules. The pistil is lined with elongate oil vesicles. The three styles are about half the length of the ovary. The stigmas are capitate.
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Pallenis spinosa reaches on average of height. Leaves are alternate, lanceolate or elliptical. The basal ones have short petioles, while the cauline ones are sessile or semiamplexicaul. A solitary inflorescence grows at the top of the branches.
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Dirca decipiens, the Ozark leatherwood, is a deciduous shrub endemic to northwestern Arkansas, southeastern Kansas, and southwestern Missouri. It is distinguished from the more widespread eastern leatherwood by its sessile fruits and finely hairy leaves and stems.
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Scaevola collaris is an erect shrub, growing to 0.5 m. The stems are erect and smooth. The leaves are sessile (i.e., have no stalk), succulent and smooth, and 1-8.5 cm long by 1-9 mm wide.
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Crossota is a genus of hydrozoans of the family Rhopalonematidae. The genus comprises five species. Unlike most hydromedusae, these do not have a sessile stage. Rather, they spend their entire lives in the water column as plankton.
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9 pp. (Tasmanian Herbarium, Tasmanian Museum & Art Gallery: Hobart). Phyllachne colensoi is a perennial cushion mound-forming plant with short erect stems that are densely packed. Leaves are sessile and small at only 2–3 mm long.
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Flowers are globe like clusters of thin petals. They contain stamens that are double the number of petals or equal which are often twice the lengths of the corolla. Anthers are small and the ovary is sessile.
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Vermicularia spirata, common name the West Indian worm-shell or the West Indian wormsnail, is a species of sea snail, a marine gastropod mollusk in the family Turritellidae. Juveniles can move around, but larger individuals become sessile.
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Rhizines are simple (i.e. unbranched). The ascomata are apothecial, laminal (arranged in plates), sessile to more or less pedicellate. The apothecial disc is brown, and is not perforated. It is initially concave but becomes convex with age.
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C. ulietensis is often found singly or in pairs on coral-rich reef systems, foraging on sessile invertebrates and algae. It is not a territorial species that freely grazes throughout a wide range within reefs, lagoons and harbors, and every now and then large groups congregate at rich feeding spots. It is rarely ever observed in a deep reef environment or the open sea; juveniles are typically reared in shallow lagoons, estuaries or harbors. An opportunistic omnivore, diet consists mainly of microscopic algae, other plankton, and small sessile invertebrates.
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The star-shaped holes (Catellocaula vallata) in this Upper Ordovician bryozoan represent a soft-bodied organism preserved by bioimmuration in the bryozoan skeleton. Bioimmuration occurs when a skeletal organism overgrows or otherwise subsumes another organism, preserving the latter, or an impression of it, within the skeleton. Usually it is a sessile skeletal organism, such as a bryozoan or an oyster, which grows along a substrate, covering other sessile sclerobionts. Sometimes the bioimmured organism is soft-bodied and is then preserved in negative relief as a kind of external mold.
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Corymbia papillosa is a stunted tree that typically grows to a height of and forms a lignotuber. It has thick, rough, tessellated flaky bark on the trunk and branches. Young plants and coppice regrowth have more or less sessile, heart-shaped to oblong leaves that are long and wide arranged in opposite pairs. The crown of the tree has juvenile leaves that are the same shade of dull light green on both sides, thin, oblong to elliptical, long, wide, arranged in opposite pairs and sessile or on a petiole up to long.
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Buddleja blattaria is a dioecious shrub, < 1 m tall, with brown fissured bark. The young branches are quadrangular and covered with thick tomentum. The leaves are sessile elliptic or oblong-elliptic, 4-10 cm long by 1.5-3 cm wide, lanose on both surfaces. The white or cream inflorescence is 3-8 cm long, comprising sessile flowers borne on one terminal and 1-3 pairs of globose heads below, in the axils of small leaves, each head 1-2 cm diameter with 20-40 flowers, the corolla 5 mm long.
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Corymbia sphaerica is a tree that typically grows to a height of , sometimes a mallee or a shrub to only , and forms a lignotuber. It has rough, tessellated, brownish bark on the trunk and branches. Young plants and coppice regrowth have sessile, heart- shaped to more or less round, greyish green leaves that are about long and wide, arranged in opposite pairs. It has a crown of juvenile leaves that are sessile, heart-shaped to almost lance-shaped, the same shade of dull green on both sides, long and wide.
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In most animals the embryo is the sessile initial stage of the individual life cycle, and is followed by the emergence (that is, the hatching) of a motile stage. The zygote or the ovum itself or the sessile organic vessel containing the developing embryo may be called the egg. A recent proposal suggests that the phylotypic animal body plans originated in cell aggregates before the existence of an egg stage of development. Eggs, in this view, were later evolutionary innovations, selected for their role in ensuring genetic uniformity among the cells of incipient multicellular organisms.
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Eucalyptus formanii is a tree or mallee that typically grows to a height of and forms a lignotuber. The bark on part or all of the trunk is rough, grey and fibrous or flaky, smooth creamy brown to pinkish grey and shed in scruffy ribbons above. Young plants and coppice regrowth have more or less sessile, linear leaves that are long and wide. Adult leaves are also linear, held erect, the same glossy green on both sides when mature, long, wide and sessile or on a petiole up to long.
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Calotropis procera Calotropis gigantea and C. procera are the two most common species in the genus. Calotropis gigantea grows to a height of while C. procera grows to about . The leaves are sessile and sub-sessile, opposite, ovate, cordate at the base. The flowers are about in size, with umbellate lateral cymes and are colored white to pink and are fragrant in case of C. procera while the flowers of C. gigantea are without any fragrance and are white to purple colored, but in rarer cases are also light green-yellow or white.
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Young plants and coppice regrowth have stems that are more or less square in cross-section, with a prominent wing on each corner. The juvenile leaves are sessile, arranged in opposite pairs, elliptic to egg-shaped, the lower surface covered by a white, waxy bloom, long and wide. Adult leaves are arranged alternately, glossy green, lance-shaped to curved, long and wide on a petiole long. The flower buds are arranged in groups of three in leaf axils on a thick peduncle long, the individual buds more or less sessile.
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Eucalyptus moorei is a mallee that typically grows to a height of and forms a lignotuber. Young plants and coppice regrowth have sessile leaves arranged in opposite pairs, linear to oblong long and wide. Adult leaves are arranged alternately, linear to narrow lance-shaped or curved, the same glossy green on both sides, long and wide on a petiole up to long. The flower buds are arranged in clusters of between seven and fifteen in leaf axils on an unbranched peduncle long, the individual buds sessile, or on a pedicel up to long.
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Although some accounts indicate that the cooked greens of this plant may be edible as an emergency food, the entire plant, and especially the root, is known to induce vomiting. The fruit is considered a suspected poison. Trillium sessile has been used medicinally to treat tumors. T. sessile is sometimes cited as having been used as a poultice for boils and as a panacea-like decoction, but this is doubtful as it is attributed to Native American tribes (the Yuki and Wailaki) of California, where this plant is not known to occur.
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It was once thought that Ganoderma lingzhi generally occurred in two growth forms: a large, sessile, specimen with a small or nonexistent stalk, found in North America, and a smaller specimen with a long, narrow stalk found mainly in the tropics. However, recent molecular evidence has identified the former, stalkless, form as a distinct species called G. sessile, a name given to North American specimens by William Alfonso Murrill in 1902. Environmental conditions play a substantial role in the lingzhi's manifest morphological characteristics. For example, elevated carbon dioxide levels result in stem elongation in lingzhi.
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Eucalyptus melanophloia is a tree, rarely a mallee, that typically grows to a height of and forms a lignotuber. It has hard, rough, dark grey to black bark on the trunk and branches. Young plants and coppice regrowth have leaves that are usually glaucous, arranged in opposite pairs, sessile, round to egg-shaped or heart-shaped, long and wide. The crown leaves are usually mostly juvenile leaves that are arranged in opposite pairs, sessile, the same dull glaucous colour on both sides, egg-shaped to heart- shaped or lance-shaped, long and wide.
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The second type of gland found on butterwort leaves are sessile glands which lie flat on the leaf surface. Once the prey is entrapped by the peduncular glands and digestion begins, the initial flow of nitrogen triggers enzyme release by the sessile glands. These enzymes, which include amylase, esterase, phosphatase, protease, and ribonuclease break down the digestible components of the insect body. These fluids are then absorbed back into the leaf surface through cuticular holes, leaving only the chitin exoskeleton of the larger insects on the leaf surface.
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Eucalyptus deuaensis is a rare mallee or small tree that typically grows to a height of with smooth, white or pink to yellow bark and forms a lignotuber. Young plants and coppice regrowth have sessile, egg-shaped to lance-shaped leaves arranged in opposite pairs, long and wide. Adult leaves are arranged alternately, the same colour on both sides, lance-shaped to curved, long and wide. The flower buds are arranged in leaf axils in groups of seven on an unbranched peduncle up to long, the individual buds sessile.
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Foragers collect food that is around the nest area and bring it back to the colony to share with the other ants. T. sessile has polydomous colonies, meaning that one colony has multiple nests. Because of this, T. sessile is very good at foraging for food when there is great variance in the distribution of resources. Instead of going back to a faraway nest to deliver food, they move workers, queens, and the brood to be closer to the food, so that they can reduce the cost in effort of food transport.
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To discourage immigration, standing water should be eliminated in the house, as T. sessile are attracted to moisture. Plants should be trimmed away from buildings, so they do not make convenient routes for above-ground entry. Cracks, holes and joints should be sealed with polyurethane foam or caulk, especially those that are near the ground. Firewood, rocks, and other materials should not be stored next to a home because it provides sites for nest building near the home, and T. sessile naturally relocate their colonies to be near successful forage sites.
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Industrial infrastructure that is laid across the seafloor or built upon the seafloor could impact MCEs. In particular, cables and pipes used for energy, material, and data transfer are employed worldwide and in areas with MCEs. The initial emplacement and settling of cables could directly damage and kill habitat-forming corals and other sessile organisms, and maintenance activities where the cables are retrieved and replaced on the bottom could further these impacts. However, once settled and secure on the seafloor, cables can become part of the reef structure and are colonized by sessile organisms.
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Shoot with leaves and acorn inosculated tree Quercus petraea, commonly known as the sessile oak, Cornish oak, Irish Oak or durmast oak, is a species of oak tree native to most of Europe and into Anatolia and Iran. The sessile oak is the national tree of the Republic of Ireland,Mitchell, Alan (1974). "Field Guide to the Trees of Britain and Northern Europe (Collins Field Guide)", HarperCollins Distribution Services, New York. . and an unofficial emblem in Wales"Tree trail with worldwide flavour", BBC News, 23 July 2004 and Cornwall.
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Corymbia deserticola is a species of straggly tree or a mallee that typically grows to a height of , sometimes a shrub to , and forms a lignotuber. It has thick, rough, flaky, deeply fissured, brownish bark on the trunk and branches. Young plants and coppice regrowth have leaves that are sessile, the same shade of green on both sides, heart-shaped, long and wide and arranged in opposite pairs. Adult leaves are sessile and stem- clasping or shortly petiolate, the same shade of pale green on both sides, usually heart-shaped, long and wide.
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Pyura is a large genus of sessile ascidians that live in coastal waters at depths of up to 80 m (260 feet). Like all ascidians, Pyura are filter feeders. A few species, including Pyura chilensis are commercially fished.
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Hypericum delphicum is a perennial herb that grows tall. The plant has an herbaceous taproot from which grow many stems. The stems lack branches below the inflorescence. The sessile leaves have an obtuse base and a rounded tip.
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Flower stalks are very short with 2 to 6 almost sessile flowers on each. Flowers are 12 to 15 mm long,Clapham, A.R., Tutin, T.G. and Warburg, E.F. 1968. Excursion flora of the British Isles. Cambridge University Press.
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The leaves are small and almost scale-like, being sessile or subsessile (stalkless of almost stalkless). The conspicuous flowers have five petals, and are pink or white. Adenandra are cultivated by gardeners for their ornamental and aromatic value.
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Kalanchoe fadeniorum is an herbaceous perennial plant lacking hairs that reaches about 10 cm in height. The branched stems have a creeping growth habit. Erect stems are densely leafy. The fleshy leaves are almost sessile to shortly petiolate.
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Bacopa monnieri in Hyderabad, India. They are annual or perennial, with decumbent or erect stems. The leaves are opposite or whorled, and sessile. The leaf blade is regular, round to linear, and the venation is palmate or pinnate.
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It differs from the main species in its much coarser pyramidal warts on the exoperidial surface, a sessile and sac-shaped endoperidial body, and smaller spores. They likened the roughened outer surface of the exoperidium to lychee fruit.
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Hypericum phellos grows tall, with strict and nearly always lateral branches. The yellowish brown, four-lined stems are ancipitous when young and become terete. The internodes are long. The sessile leaves spread from their base or are imbricate.
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Haliangium ochraceum is a species of moderately halophilic myxobacteria. It produces yellow fruiting bodies, comprising several sessile sporangioles in dense packs. Its type strain is SMP-2 (= JCM 11303(T) = DSM 14365(T)). Its genome has been sequenced.
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Candelabrum tentaculatum, also called the dreadlocks hydroid or calamari hydroid, is a sessile marine hydroid, that is found off the Cape Peninsula of South Africa.Millard, N.A.H. 1975. Monograph on the Hydroida of Southern Africa. Ann. S. Afr. Mus.
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The old bark is gray brown. There are prominent subglobose buds in the leaf axils. The alternate leaves of 6–80 × 1.5–42 mm are succulent or coriaceous. They are nearly sessile or basally tapering to short petioles.
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The sessile male flower has a scent reminiscent of gardenias. The pollen grains have a diameter of 22 micrometres. The female flower is pedicellate. The fruit is broadly ovate nut, 3.5 cm in diameter and 3.0 cm long.
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The green primary stems have four lines and are covered with glandular dots. The internodes are long, about as long as the leaves. The sessile leaves are ascending and become deflexed when fading. The leaves are long and wide.
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Flowering occurs from November to May, peaking between January and March, and the flowers are white. The fruit is a sessile, woody, hemispherical to bell-shaped capsule long and wide with the valves at rim level or slightly above.
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Clavelina moluccensis, common name bluebell tunicate, blue bell tunicate, or Blue Sea Squirt View Clavelina moluccensis is a species of tunicate (sea squirt), in the genus Clavelina (the "little bottles"). Like all ascidians, these sessile animals are filter feeders.
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Parasitism :2. Fixity or immobility (sessile habit) :3. Vegetative nutrition :4. Excessive reduction in size He also considered the axolotl, a mole salamander, which can breed whilst still in its gilled larval form without maturing into a terrestrial adult.
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Nepenthes smilesii is a climbing plant growing to a height of 5 m. Its leaves are sessile and coriaceous (leathery) in texture. They are very narrowly linear, reaching 40 cm in length while only up to 4 cm wide.
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Organisms such as corals lay down their own substrate from which they grow. Other sessile organisms grow from a solid such as a rock, dead tree trunk, or a man-made object such as a buoy or ship's hull.
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A benign papillomatous tumor is derived from epithelium, with cauliflower-like projections that arise from the mucosal surface. It may appear white or normal colored. It may be pedunculated or sessile. The average size is between 1–5 cm.
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The stamens are inserted at the top of the tube. The ovary is sessile, with one ovule. The fruit is a narrow nut, topped with a rounded- triangular concave plate (5-6 mm wide) and hairy on the outside.
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Cephalodiscida is one of two orders in the class Pterobranchia, which are small, worm-shaped animals. Members belong to the hemichordates.animaldiversity.ummz.umich.edu Eol.org Species in this order are sessile, living in clear water and secrete tubes on the ocean floor.
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Louzada, R. & das Graças Lapa Wanderley, M. (2010). Revision of Orthophytum (Bromeliaceae): the species with sessile inflorescences. Phytotaxa 13: 1-26. Species are found in the Brazilian states of Alagoas, Bahia, Espírito Santo, Minas Gerais, Paraíba, and/or Pernambuco.
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Phebalium whitei is a small shrub that is endemic to south-east Queensland. It has branchlets covered with silvery and rust-coloured scales, leathery, oblong to elliptic leaves and bright yellow flowers arranged in sessile umbels on the ends of branchlets.
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The species grows to be 1.5 meters tall. Its stems are reddish brown and its leaves are sessile. It has obtuse flowers that are 15-17mm in diameter. The petals are described as "clear butter yellow" and are veined red.
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Lecanora polytropa may be confused with L. fuscobrunnea, which has larger apothecia (up to 1.6 mm wide) that are partially blackened to completely black, and may have a rudimentary stipe. In L. polytropa, the apothecia are always sessile and not blackened.
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The forests in this region are very varied. Its natural vegetation would be beech and beech-sessile oak woods. Today however it is dominated by Scots Pine and mixed pine woods. In smaller depressions and hollows today there are kettle bogs.
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The central part of the inflorescence axis is long. It also has angular rhachis which bottom is glabrous. The spikelets grow in pairs and are apart from each other. They are also fertile, pedicelled, and sessile, with pedicels being oblong.
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The internodes are long, exceeding all leaves except some of the uppermost. The sessile, spreading, persistent leaves are long and wide. The leaves are papery and membranous. Lower leaves are ovate or elliptic and upper leaves are ovate or suborbicular.
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Aster amellus reaches on average a height of . The stem is erect and branched, the leaves are dark green. The basal leaves are obovate and petiolated, the cauline ones are alternate and sessile, increasingly narrower and lanceolate. The flowers are lilac.
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The color of pseudo-petals is yellowish green. The fruit of the plant is a green large capsule 10 millimeters long and 9 millimeters wide, pinkish-reddish-green when ripened. It is shallowly lobed, smooth or hairy and semi-sessile.
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Loxosomella is a genus of entoproct. individuals are solitary, not colonial, as is typically the case in this phylum. They are sessile, attaching to a variety of substrates including sipunculan worms.Müller, C. H. G., J. Hylleberg, and P. Michalik. 2015.
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Platanus kerrii is an evergreen tree, native to Southeast Asia. The leaves are elliptical to lanceolate. The fruits are borne in globose heads, each of which is sessile on a long peduncle. There are up to 12 heads on a peduncle.
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Nannizziopsis arthrosporioides is a keratinophilic microfungus in the family Onygenaceae that causes skin infections in reptiles, producing hyaline, thin- walled, small, sessile conidia and colonies with a strong skunk-like odour. It is distinguished by the production of long arthroconidia.
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Nepenthes insignis is a weak climber. The stem is usually around 50 to 80 cm long and up to 7 mm in diameter. Internodes are triangular in cross section and up to 9 cm long. Leaves are coriaceous and sessile.
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Phellinus is a genus of fungi in the family Hymenochaetaceae. Many species cause white rot. Fruit bodies, which are found growing on wood, are resupinate, sessile, and perennial. The flesh is tough and woody or cork-like, and brown in color.
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Both the acetification and the maturation take place in precious sessile oak (Quercus petraea), chestnut, oak, mulberry, and juniper barrels. After a minimum maturation period of 60 days, a group of expert technicians will test the resulting product analytically and Organoleptically.
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The unpleasantly scented flowers have six dark reddish purple tepals and purple stamen filaments, and are either sessile or have very short stalks (pedicels). The ovary, and the inflated capsule that develops from it, are greenish, generally with some purple shading.
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Capitulum is a monotypic genus of sessile marine stalked barnacles. Capitulum mitella is the only species in the genus. It is commonly known as the Japanese goose barnacle or kamenote and is found on rocky shores in the Indo-Pacific region.
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The flowers of this species are small, white, and funnelform, while the leaves are sessile with rounded bases. Most species in the genus Mitreola have leaves greater than 10mm long, however, this species has leaves greater than 6mm in length.
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There is beech woodland near the River Wye (ancient coppice). These woods included sessile oak and pedunculate oak, ash, small-leaved lime and silver birch. The shrub layer includes holly and hazel. The ground flora includes bramble, ivy and ferns.
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Jasmineira elegans is a macrobenthic suspension feeder native to the coastal waters of the Northern Atlantic, Mediterranean Sea, and Red Sea. The worm is sessile and lives in sandy substrates where it utilizes suspension feeding in order to acquire nutrients.
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This idea, proposed by Otto Bütschli, suggests that metazoa are derived from a planula; that is, the larva of certain cnidaria. Under this hypothesis, the larva became sexually mature through paedomorphosis, so could reproduce without passing through a sessile phase.
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The spores are sessile (growing directly from the surface of the basidium, without attachment via a sterigmata), and are separated from the basidia after it collapses and gelatinizes. This is accompanied by the gelatinization of the inner walls of the peridiole.
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It reaches a height of 60 cm and blooms from May to August. The leaves are opposite, the upper leaves sessile and the lower leaves petiolate. The flowers are white, with 5 deeply bifid petals, 10 stamens and 3 styles.
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Another way to find the capillary length is using different pressure points inside a sessile droplet, with each point having a radius of curvature, and equate them to the Laplace pressure equation. This time the equation is solved for the height of the meniscus level which again can be used to give the capillary length. The shape of a sessile droplet is directly proportional to whether the radius is greater than or less than the capillary length. Microdrops are droplets with radius smaller than the capillary length, and their shape is governed solely by surface tension, forming a spherical cap shape.
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This is an ancient estuarine woodland of sessile oak Quercus petraea on the steep outer banks of the Western Cleddau estuary. More than 130 plants have been recorded, and this site is one of the most diverse of the oakwoods on the rocky shorelines of Milford Haven. The woodland canopy is predominantly coppice of sessile oak which varies from about 15 metres on the upper slope to around 4 metres on the low cliffs below. A detailed estate map by Thomas Lewis in 1776, shows that the extent of the wood since that time has been kept.
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Corymbia chartacea is a tree that typically grows to a height of , forms a lignotuber and often has long, drooping branches. Young plants and coppice regrowth have sessile, heart-shaped to egg-shaped leaves that are up to long, wide and arranged in opposite pairs. The crown of the tree is composed of juvenile leaves that are sessile, broadly heart-shaped to broadly elliptical, long, wide and arranged in opposite pairs. The flower buds are arranged on the ends of branchlets on a branched peduncle long, each branch of the peduncle with groups of three or seven buds on pedicels up to long.
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Corymbia setosa is a tree that typically grows to a height of , rarely as a thick-trunked mallee, and forms a lignotuber. It has rough, deeply tessellated brownish bark on the trunk and branches and a sparse canopy. Young plants and coppice regrowth have sessile, heart-shaped leaves that are long and wide arranged in opposite pairs and with a rough surface. The crown of the tree has sessile, juvenile mostly heart- shaped, stem-clasping leaves that are the same shade of dull light green to greyish green on both sides, long and wide and arranged in opposite pairs.
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Young plants and coppice regrowth have stems that are glaucous and more or less square in cross-section, with a prominent wing on each corner. The juvenile leaves are sessile, arranged in opposite pairs, elliptic to egg-shaped, the lower surface covered by a white, waxy bloom, long and wide. Adult leaves are arranged alternately, the same glossy green on both sides, lance-shaped to curved, long and wide on a petiole long. The flower buds are arranged in leaf axils in groups of three on a thick peduncle long, the individual buds sessile or on a pedicel up to long.
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Sessile polyps larger than 2 cm usually contain villous features, have a higher malignant potential, and tend to recur following colonoscopic polypectomy. Although polyps do not carry significant risk of colon cancer, tubular adenomatous polyps may become cancerous when they grow larger. Larger tubular adenomatous polyps have an increased risk of malignancy when larger because then they develop more villous components and may become sessile. It is estimated that an individual whose parents have been diagnosed with an adenomatous polyp has a 50% greater chance to develop colon cancer than individuals with no family history of colonic polyps.
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A spike is an unbranched, indeterminate inflorescence, similar to a raceme, but bearing sessile flowers (sessile flowers are attached directly, without stalks). Examples occur on Malabar nut (Justicia adhatoda) and chaff flowers (genus Achyranthes). A spikelet can refer to a small spike, although it is primarily used to refer to the ultimate flower cluster unit in grasses (family Poaceae) and sedges (family Cyperaceae), in which case the stalk supporting the cluster becomes the pedicel. A true spikelet comprises one or more florets enclosed by two glumes (sterile bracts), with flowers and glumes arranged in two opposite rows along the spikelet.
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This would indicate that the brachiopod shell represents the retention of a larval character. For a long part of their history, the tommotiids were only known from disarticulated shells - a complete organism had not been found. The 2008 discovery of Eccentrotheca offered the first insight into a complete organism, and permitted a reconstruction of the animal as a sessile, tube-like animal made up of a spiral of overlapping plates. Articulated specimens of Paterimitra, discovered a year later, suggest a similar form and lifestyle - it is possible that many tommotiids need redescribing as sessile tube- dwellers.
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C. bella on a gorgonian coral These featherstars are mostly sessile, anchoring themselves to hard substrate surfaces or the sea floor using their cirri ‘legs’. However, they are also free-moving creatures capable of travelling short distances to escape their predators or other threats. As nocturnal critters, they partially hide, sessile, within rocks and corals during the day with their mouths oriented upwards. Though their centrodorsal plate remains sheltered during the day as they wait till night to come out and feed, their free-arms can remain fully exposed in a circular fan-like arrangement outside of their habitat, throughout the day.
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The MMR heavily affected the crinoids, making the majority of forms extinct. Their sessile nature made them easy prey for durophagous predators since the Triassic. Survivors (such as the comatulids) could swim or crawl, behaved nocturnally or had autotomy (the ability to shed limbs in defence). The shift in the range of sessile stalked crinoids during the late Mesozoic from the shallow shelf to habitats further offshore suggests that they were forced by increased predation pressure in shallow water to migrate to a deep water refuge environment where predation pressure is lower and their mode of life more viable.
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T. sessile is a small ant that ranges in color from brown to black, and varies in length from to inches (1.5–3.2 mm). When crushed, these ants leave a smell which leads to their nickname "stink ant". The gaster portion of the abdomen sits directly on top of the petiole in the abdomen of this species, which helps distinguish them from other small, dark, invasive ants. A comparison of the side view of the T. sessile (below) and a diagram of the a typical ant body (below) shows how the T. sessile’s gaster sits atop its petiole.
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Eucalyptus gillii is a mallee that typically grows to a height of , rarely a tree to , and forms a lignotuber. It has smooth white to grey bark, sometimes with rough, flaky bark on the trunk and lower branches. Young plants, coppice regrowth and often the crown of mature trees have sessile, greyish blue to glaucous, egg-shaped to heart-shaped leaves that are long and wide. Crown leaves are arranged in opposite pairs or alternately, lance-shaped to egg-shaped or heart-shaped, dull green to glaucous, long and wide and sessile or on a petiole up to long.
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The mountain tops are above the tree line, and sessile oak is found clinging to the lower valley sides where they are sheltered from the winds. There are also a number of conifer forests maintained by the Forestry Commission on the lower slopes.
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Veronica ponae can reach a height of . These small perennial, herbaceous plants are creeping and pubescent, with ascending, simple stems. Leaves are oblong, lanceolate to oval, opposite, sessile and strongly serrated. Flowers are small, blue or purple lilac, in elongated terminal clusters.
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Nepenthes of Borneo. Natural History Publications (Borneo), Kota Kinabalu. A rosette plant from Sulawesi The leaves of this species are sessile. The lamina or leaf blade is lanceolate to elliptic in shape and up to 15 cm long by 3 cm wide.
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The androecial members are all equal. The androecium just presents two fertile stamens with sessile anthers dehiscing by longitudinal slits. The pollen is polysiphonous and its grains are three-celled and nonaperturate. The gynoecium (2–)4(–16) is superior, carpelled, and euapocarpous.
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Tile Wood is a 6.5 hectare nature reserve in Thundersley in Essex. It is managed by the Essex Wildlife Trust. The wood is ancient, having been mentioned in the Anglo-Saxon period. The main trees are sessile oak, hornbeam and sweet chestnut.
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The fertilized mother continues to feed as her eggs develop. The mother eventually dies and her body toughens and becomes a cyst. The 400-500 eggs of the cyst remain sessile until stimulated by plant chemicals (at which point Stage 1 repeats).
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Male flowers of some Neotropical species have a reduced staminal tube (cf. A. albicorticata, A. hindsii, A. farnesiana, and S. picachensis). Flowers are usually yellow or cream-coloured, but may be white, red, or purple. The ovary is sessile or stipitate (i.e.
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An intermediate power of a microscopic view of an accessory auricle. The lesions presents as a nodule or papule, either sessile or pedunculated. They may be soft or have a cartilaginous structure. By histologic examination, it is a recapitulation of normal external auricle.
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Among the taxa of animals that have some form of cells that might be classed as collocytes, are the larvae of sessile forms of Tunicates. Near the head end, most of those have collocytes with which they permanently fasten themselves to the substrate.
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C. pagurus is also targeted by metazoan parasites, including trematodes and parasitic barnacles. A number of sessile animals occasionally settle as epibionts on the exoskeleton of C. pagurus, including barnacles, sea anemones, serpulid polychaetes such as Janua pagenstecheri, bryozoans, and saddle oysters.
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Meiofauna are most commonly encountered in sedimentary environments in both marine and fresh water environments, from the littoral to the deep-sea. They can also be found on hard substrates living on algae, the phytal environment, and sessile animals (barnacles, mussel beds, etc.).
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Sprucidea lichens are corticolous species that inhabit tropical rainforests. They have a crustose thallus, with or without isidia. The hypothallus and to a lesser extent other parts are often coloured with the red pigment norsolorinone. Apothecia are sessile, often becoming convex in shape.
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Carditamera affinis is a filter feeder, straining nutrients from sea water that it pumps through its body. It is sessile as an adult, attaching itself to rocks and within crevices using a byssus. These animals can live as long as 17.25 years.
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The six spreading stamens are irregularly subequal in length and arise from a nectar-producing floral disc. The ovary is superior, cylindric, about 2.3 mm long, and raised on a slender stalk (gynophore) about 2 mm long. The sessile stigma has two lobes.
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It blooms in July and produces yellow flowers. The spherical heads of the inflorescences contain 40 to 50 densely packed yellow flowers. The longitudinal sessile seed pods have a length of and a width of and contain 3 to 10 seeds per pod.
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Gaillardia serotina is a North American species of flowering plant in the sunflower family. It is native to the southeastern United States. Flower heads are yellow, each with 12 ray flowers. Leaves are sessile (lacking a petiole), and with teeth along the edges.
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It also included Albatrossia pectoralis and Anoplopoma fimbria. The deepest community was distinct from the two above it, as it was populated less by sessile animals and more by more mobile ones. Especially notable are Coryphaenoides spp., Antimora microlepis, and Macroregonia macrochira.
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Two new species of Nepenthes (Nepenthaceae) from North Sumatra. Blumea 51(3): 561–568. N. talangensis, and N. tenuis. It shares with these species features such as infundibulate pitchers which are wholly glandular on their inner surfaces, bracteate inflorescences, and sessile leaves.
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Gorgonia mariae, commonly known as the wide-mesh sea fan, is a species of sea fan, a sessile colonial soft coral in the family Gorgoniidae. It occurs in the tropical western Atlantic Ocean and the Caribbean Sea at depths down to about .
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It is a dwarf non-spiny species. It has tubers and ribosomes, that divide into numerous short branch stems. The branches have tiny sessile caduceus leaves about 2 mm long. They have tiny yellow flowers when they bloom, and are of green coloration.
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Divers performing a substrate survey on the Great Barrier Reef in 2008. Notice the transect tape. Reef Check volunteer divers are trained to study a designated site annually or sometimes quarterly. Underwater surveyors focus chiefly on sessile invertebrates (benthos), along a transect line.
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Murrill described the characteristics of the genus as follows: "Hymenophore large, perennial, epixylous, sessile; context woody, purple, tubes cylindrical, stratose, thick-walled, black; pores ovoid, smooth, hyaline." He noted that Nigrofomes was distinguished from similar genera by its purple context and black tubes.
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Nepenthes campanulata produces short, cylindrical, climbing stems 20 to 50 cm tall and up to 4 mm thick. Leaves are coriaceous and sessile. The lamina is spathulate-lanceolate in morphology, up to 12 cm long,Lee, C.C. 2006. Species profile: Nepenthes campanulata. WildBorneo.
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The leaves are of variable sizes. The upper leaves are simplified to oblong, with lanceolate and dentate incised blades. The leaf lobes are about 2–9 cm long and 1–3 cm wide. Most leaves are sessile, but sometimes they bear short stalks.
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The cauline leaves are generally two, sessile, amplexicaul and lanceolate-shaped with a trilobed apex. The inflorescence is umbrella-shaped, with of diameter. The floral bracts are numerous (10 - 20), long, reddish (sometimes white) with acuminate apex. The small flowers are white.
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Partial burial and branching of these tubes suggest that it may have had a benthic sessile lifestyle. Members of the genus are distinguished by bead size and spacing, with the beads of H. moniliformis being larger and more spaced than H. williamsii.
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It produces yellow flowers from April to October. The inflorescences are made up of globular flower-heads made up of 25 to 35 flowers. Following flowering sessile seed pods form that are long and wide. The pods contain oblong seeds around in length.
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Individuals of this species are herbaceous, erect annuals, tall. The smooth stem is four-angled and may be simple or branching. The stem or stems bear opposite, sessile leaves, lacking lobes, which are linear and wide. Leaves on branches may be borne alternately.
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Internodes are 10 to 15 cm long. Short stems and rosettes are unknown. Leaves on the climbing stem are coriaceous, scattered, and sessile. Laminae are lanceolate or spathulate- lanceolate in morphology, approximately 18 to 20 cm long, and 3.5 to 4.5 cm wide.
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Flower Flowers are bisexual and in diameter. They have five pale to deep pink or red fringed petals, 10 stamens, and six to 10 glands on the calyx. The three to five flowers per inflorescence are sessile or short-peduncled axillary cymes.
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The study also found that no manufactured reishi product and only one GYO kit actually contained G. lucidum sensu stricto. Other species present in these products included Ganoderma applanatum, Ganoderma australe (potentially a species complex), Ganoderma gibbosum, Ganoderma sessile, and G. sinense.
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Stauromedusae are believed to be sessile, except in the larval stage. The larvae are able to move by crawling but are believed not to migrate large distances. It is therefore presently unclear as to how L. janetae is able colonise multiple unconnected vents.
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Rhabdopleurida is one of three orders in the class Pterobranchia, which are small, worm-shaped animals. Members belong to the hemichordates.Animaldiversity.ummz.umich.edu Eol.org Species in this order are sessile, colonial, connected with a stolon, living in clear water and secrete tubes called tubarium.
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Eucalyptus rigens, commonly known as saltlake mallee, is species of sprawling mallee that is endemic to the southwest of Western Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of three on a flattened peduncle and sessile, ribbed fruit.
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Eucalyptus pauciflora subsp. hedraia was first formally described in 1994 by Kevin James Rule in the journal Muelleria, from material collected in the Falls Creek Ski Village in 1982. The epithet (hedraia) is from ancient Greek, referring to the sessile buds and fruits.
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The yellow leafy-bracted inflorescences are 6 – 25 cm long, comprising sessile or short pedunculate heads 1 – 3 cm in diameter, each with 10 - 35 flowers. The scent of the flowers is generally regarded as unpleasant, 'like ammonia but sweeter'. Ploidy: 2n = 76.
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The shrub is prickly with a dense and bushy habit typically growing to a height of . It has glabrous branchlets and phyllodes. The sessile phyllodes are decurrent on branchlets. They are rigid, erect, straight and terete to slightly rhombic in cross-section.
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It pollinates in June, has matured seeds in August, and flowers from May. Seed cones are solitary or opposite at nodes, sessile, and ovoid at maturity. The mature cones are fleshy, red, and glucose, 6–9 mm long, 5–8 mm across.
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The purpose of this mimicry may be to allow H. gemma to prey on the young of the blue chromis but this has yet to be proven. This is a carnivorous species which feeds on other fishes and non-sessile benthic crustaceans.
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The stems of Hypericum umbraculoides are reddish and its bark is grey. The oblong, papery leaves are sessile, up to long and broad, and paler underneath. The flowers are up to across with 5 golden-yellow petals. Its growth rate and height are unknown.
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Exidia thuretiana is a lookalike species. Fruit bodies of Exidia thuretiana are similarly coloured, but are typically more opaque and often appear pleated. They do not (or very rarely) contain white, granular inclusions. Microscopically, E. thuretiana can be distinguished by its sessile (not stalked) basidia.
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The foot ends in from one to four toes, which, in sessile and crawling species, contain adhesive glands to attach the animal to the substratum. In many free-swimming species, the foot as a whole is reduced in size, and may even be absent.
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Sessile organisms, those with low dispersal capability, and those with simple behavior may benefit most from conveying information to their offspring via epigenetic pathways. Geographic patterns may also emerge, where highly variable and highly conserved environments might host fewer species with important epigenetic inheritance.
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They are greyish green. The coat is similar to the stem, but with less glandular trichomes. The sheath consists of five to seven pairs of bulk leaves which are narrowly elliptical in shape, a broad- pointed to pointed tip, and inclined to appear sessile.
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They are either sessile or on short stalks up to long. This distinguishes the species from P. pedunculata, which has its flowerheads on longer stalks long. The two other species in eastern Australia, P. canescens and P. sessilis, both have finely hairy new growth.
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He is credited with collecting and describing several species of plants native to Tennessee and Florida.Small, John K. "Studies in the Botany of the Southeastern United States.-Ix. I. The Sessile-Flowered Trillia of the Southern States." Bulletin of the Torrey Botanical Club 24, no.
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Pinnae are slightly concave giving the frond a characteristic crisped appearance. The plant is hay-scented. Sori or spore-producing organs occur in a row down each side of the midrib. The indusium of the sorus is irregularly toothed and edged with sessile glands.
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Ascaltis grisea is a species of sea sponge in the family Leucascidae, first described as Leucosolenia grisea by Arthur Dendy in 1891. It is known only from its type locality on the Houtman Albrolhos archipeligo in Western Australia. It is a marine sessile filter-feeder.
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Plants are annual or biennial, growing from taproots. The stems are upright growing to a height of 30 to 120 cm. The flowers are sessile and produced in verticillasters. The calyx is tubular- campanulate shaped and 6–8 mm long with broad triangle shaped teeth.
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Nepenthes benstonei is a climbing plant. The stem, which may be branched, can attain a length of 10 m and is up to 0.6 cm in diameter. Internodes are cylindrical and up to 15 cm long. Leaves are coriaceous and sessile to sub-petiolate.
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The floral cup is sessile, long and glabrous. The sepals are also glabrous, long, the five petals long and the stamens long. Flowering mostly occurs from March to April and the fruit is a capsule mostly wide that remain on the plant at maturity.
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The stamens and stigmas are similar to Cyathocalyx. Meiogyne is similar to Polyalthia in its spreading petals and similarity of stamens, but the large number of seeds and sessile, discoid stigma are distinguishing features.Sinclair J.(1955) A revision of Malayan Annonaceae. Gardens Bulletin Singapore.
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Elias Magnus Fries described Geastrum fimbriatum (as Geaster fimbriatus) in his 1829 Systema mycologicum. It is commonly known as the fringed earthstar or the sessile earthstar. The specific epithet fimbriatum means "fringed", referring to the characteristic edge of the apical spore of the spore sac.
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Crassula atropurpurea in habitat This species is extremely variable. It is typically a small (up to 60 cm), shrubby perennial, with erect, branching stems. Its leaves are erect, or only slightly twisted across the stem. The leaves are sessile and packed evenly along the stems.
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The leaves are 'sessile', which means they lack a petiole and arise straight from the stems. These leaves diagnostically curve upwards. They are elliptic-shaped, coloured green or blue-grey, and their margin run parallel to each other. The leaves become glabrous when mature.
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Food vacuoles are mostly located on the cell posterior, and in most jakobids the endoplasmic reticulum is distributed throughout the cell. The sessile, loricate Histionidae and occasionally free-swimming Jakoba libera (Jakobidae) have extrusomes under the dorsal membrane that are theorized to be defensive structures.
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Mentzelia veatchiana is a branched hairy annual herb growing erect to a maximum height near 45 centimeters. The leaves are up to 18 centimeters long. The basal leaves are lobed and may be stalked. The stem leaves are sessile and generally lobed or toothed.
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The cauline leaves are generally two, sessile, amplexicaul and lanceolate-shaped with a trilobed apex. The inflorescence is umbrella-shaped, with of diameter. The floral bracts are numerous (10 - 20), long, greenish-white with acuminate apex. The small flowers are greenish-white (with pink undertones).
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Nemophila menziesii is variable in appearance. Lower leaves are stalked, lobed and oppositely arranged, with five to thirteen lobes, each entire or with one to three teeth. Upper leaves are more or less sessile and less lobed than lower. The stalk of the inflorescence is .
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Species of Muehlenbeckia vary considerably in their growth habits; they may be perennials, vinelike, or shrubs. All have rhizomatous roots. Their leaves are arranged alternately on the stem, usually with stalks (petioles), but sometimes stalkless (sessile). The brownish ocrea is short and tubular, soon disintegrating.
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The Grogs are Sessile sentient creatures, shaped like furry cones. They are eyeless, earless, and have a prehensile tongue. They can also control animals telepathically. The Grogs are thought by some to be the descendants of the Thrintun species, after 1.5 billion years of atrophy.
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D. viscosa is a shrub growing to tall, rarely a small tree to tall. The leaves are variable in shape: generally obovate but some of them are lanceolate, often sessile,Dodonaea viscosoides Berry, U. S. Geol. Survey Prof. Paper, Volume 84, page 142, 1914.
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Some of the deeper-living species are however pelagic, remaining some distance above the ocean floor. Benthic species feed on sessile invertebrates such as polychaete worms, crustaceans and mollusks. Pelagic species target prey they are capable of overtaking, namely slow-moving jellyfish and ctenophores.
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38 The "Clachan Oak" is an ancient sessile oak near Balfron in Stirlingshire. It can still be seen bearing metal bands around its trunk to which jougs were once attached for the restraint and humiliation of petty criminals.Rodger, Donald, Stokes, Jon, et. al (2006).
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Habit in Kalgoorlie, Western Australia Eucalyptus krueseana, commonly known as book-leaf mallee, is a mallee that is endemic to inland Western Australia. It has smooth bark that is shed in ribbons, a crown of sessile, juvenile leaves, glaucous flower buds and greenish yellow flowers.
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Suctoria are ciliates that become sessile in their developed stage and then lose their redundant cilia. They feed by extracellular digestion. They were originally thought to feed by suction - hence their name. In fact, they use specialized microtubules to ensnare and manipulate their prey.
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The main trees are sessile oak and beech, with a few pedunculate oaks and wild service trees. The shrub layer is dominated by holly and rowan. Next to Ken Wood is a small valley which has soft-rush, six sphagnum species and water horsetail.
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Valvata utahensis is primarily a detritivore, grazing along the mud surface ingesting diatoms or small plant debris. In habitats with boulders on mud, the snail has been observed grazing diatoms and other periphyton (sessile organisms that live attached to rocky surfaces) and aquatic plants.
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The four petals are deep rose pink, broadly elliptic and about long. There are eight stamens, with the four nearest the sepals sterile and longer than those near the petals. The stigma is sessile, pyramid-shaped and about high. Flowering occurs from September to December.
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Penstemon tenuis is a perennial herb with erect, slender stems that grow upwards of tall. The lanceolate leaves grow opposite and are long and wide. The leaves have pointed tips and toothed or entire margins. Lower leaves are sessile and upper leaves are connate.
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Pyura haustor is a species of sessile ascidian, or sea squirt, that lives in coastal waters in the northeastern Pacific Ocean, attached to rocks or artificial structures. Common names for this species include the wrinkled seapump, the wrinkled sea squirt and the warty tunicate.
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Submerged leaves are 70–175 mm long and 10–30 mm wide. All leaves have the stalk shorter than the blade, and the submerged leaves are almost sessile. The leaves are typically reddish to brownish in colour. Flowers are produced in June to July.
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The juniper mistletoe is small in size averaging between 2 and 15 cm. This dioecious plant has a very small stem and the leaves consist of small sheets with sessile flowers. It is distributed throughout much of Europe, Asia and parts of northern Africa.
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Verruciform xanthoma is an uncommon benign lesion that has a verruciform (wart-like) appearance, but it may appear polypoid, papillomatous, or sessile. The verruciform was first described by Shafer in 1971 on the oral mucosa.Shafer WG. Verruciform xanthoma. Oral Surg Oral Med Oral Pathol.
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The flowers are sessile and arranged singly in leaf axils. The flowers are white to pink, the sepals larger than the petals. The four sepals are triangular, long and wide but increase in size as the fruit develops. The four petals are long and wide.
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They often have one claw much larger than the other. If a male fiddler loses its large claw, it will grow another on the opposite side after moulting. Sessile animals such as sponges are asymmetricalSymmetry, biological, cited at FactMonster.com from The Columbia Electronic Encyclopedia (2007).
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C. stellatus is a sessile barnacle that attaches to rocks and other firm materials in the intertidal zone using its membranous base. It is basically cone-shaped but can assume a more tubular shape in a crowded colony. Like other sessile barnacles, as an adult C. stellatus is a suspension feeder that stays in its fixed shell and uses its feathery, rhythmically beating appendages – actually modified legs – to draw plankton and detritus into its shell for consumption. The chalky white shell of C. stellatus has a kite- shaped opercular opening when it is a juvenile and an oval operculum opening when it is an adult.
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Eucalyptus gamophylla is mallee that typically grows to a height of and forms a lignotuber but sometimes has an almost prostrate habit. It usually has smooth white, cream-coloured or brown bark that is shed in short ribbons but there is sometimes a stocking of rough, hard, stringy-fibrous bark at the base. Most of its leaves are juvenile, sessile, arranged in opposite pairs sometimes with their bases joined, glaucous, egg-shaped to heart-shaped, long and wide. Adult leaves, when present, are more or less in opposite pairs, the same dull, greyish green on both sides, sessile, long and wide on a petiole long.
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Buddleja aromatica is a dioecious shrub, 0.5-2 m tall, with greyish fissured bark. The young branches are subquadrangular and tomentose, bearing sessile subcoriaceous oblong-lanceolate leaves, tomentose to glabrescent above and lanose below, 2-6 cm long by 0.5-1.8 cm wide. The white or creamy white inflorescence is variable, comprising one terminal head, or with up to four additional pairs of pedunculate heads below in the axils of small leaves, each head with 20-30 sessile flowers; the corollas are 3-4 mm long. The species is very similar to B. cordobensis and B. araucana, but differing in some vegetative and reproductive features.
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While surface energy is conventionally defined as the work required to build a unit of area of a given surface,Oura K, Lifshits V G, Saranin A A, Zotov A V, and Katayama M (2001). Surface Science: An Introduction. Springer-Verlag: Berlin, 233 when it comes to its measurement by the sessile drop technique, the surface energy is not quite as well defined. The values obtained through the sessile drop technique depend not only on the solid sample in question, but equally on the properties of the probe liquid being used, as well as the particular theory relating the parameters mathematically to one another.
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Angophora robur is a tree that typically grows to a height of and forms a lignotuber. It has rough, fibrous, greyish bark on the trunk and branches, Young plants and coppice regrowth have sessile leaves that are lance-shaped to oblong, long and wide with a stem-clasping base and arranged in opposite pairs. Adult leaves are also arranged in opposite pairs, lance-shaped to egg-shaped or oblong, paler on the lower surface, long, wide and sessile. The flower buds are arranged on the ends of branchlets on a branched peduncle long, each branch of the peduncle with three or seven buds on pedicels long.
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The European Beech was severely affected by the drought and took around twenty years to recover. To date, its growth has failed to recover completely, reaching only about 75% of their pre-drought growth rates, even decades after the drought. Additionally, death due to drought resulted in the loss of around 15% of the mature beech trees in the forest. In contrast, the sessile oak did not suffer any death or growth suppression due to drought, but instead benefited from reduced competition with beech. Sessile oak growth increased suddenly after the drought and remained unusually high until the 1990s, when beech recovered and regained dominance.
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The branches are glabrous. The leaves are glaucous, distinctly veined, mucronate, end acutely and narrow towards the base. They are usually lanceolate in shape, and in length. The flower heads are sessile on the stems, long and in diameter, and have the shape of a bowl.
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It is borne on a side of central axis, is unilateral and is long. The central inflorescence axis long with angular rhachis and is either glabrous or pilose on the bottom. Spikelets come in 2 rows which are fertile, pedicelled, and sessile. The pedicels are oblong.
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It is a low-growing, domed semi- evergreen subshrub, reaching on average in height. Its habit is erect, green, hairy and branched. The silver leaves are sessile, alternate and quite fuzzy. The flowers are white veined pinkish-red, in terminal umbels composed of four to ten flowers.
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They are blue-purple, 15 to 25 millimeters long and bell-shaped to funnel-shaped. These flowers are sessile and grow in the axils of triangular bracts. The calyx lobes are hairy, lanceolate, and about one third as long as the flower. The corolla is about long.
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Flowers sessile or nearly so, having the pedicels only 1 – 2 mm long. Corolla white, usually 2.5 cm in diameter, stamens 20 - 24, anthers as long or broadly shorter as the filaments. Achenes claviform, short- beaked, with 4 - 5 facial ribs and usually 1 facial gland.
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The lowest leaves have long stalks and are often attached below ground. The upper leaves are smaller, sparse and often sessile. The leaves are compound, the blades each divided into three deeply lobed, toothed leaflets. The herbage is green to purple-tinged to all purple in color.
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Found on rocky coasts, usually under the larger boulders encrusted in sessile animals such as bryozoans, small barnacles and ascidians. N. violacea preys on these and is assumed to be mainly carnivorous in its diet. Ranges from the mid-intertidal zone down to around 15 metres deep.
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Ganoderma sessile is a species of polypore fungus in the Ganodermataceae family. This wood decay fungus is found commonly in Eastern North America, and is associated with declining or dead hardwoods. There is taxonomic uncertainty with this fungus since its circumscription in 1902.Murrill, W. A. 1902.
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It is easily recognized by the spiky leaves, the terminal and axillary inflorescences at the apex of the branches, the bracts that subtend the triads with sessile flowers, the revolute subfloral domes that surround the caliculum and the base of the flowers, which persist in the fruit.
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The individual buds are sessile. The mature buds are cylindrical, long and wide with the operculum three to four times as long as the floral cup. The fruit is a woody, cup-shaped to bell-shaped capsule long and wide on a spreading or downturned peduncle.
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Olearia brevipedunuculata is a small upright shrub to about high. The branchlets are covered in grey-whitish thickly matted small star shaped hairs. The leaves grow alternately are sessile or with an obscure stalk. The leaves may be egg- shaped, oval or oblong long and wide.
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Monstrilloids are distributed worldwide (including both the Arctic and Antarctic), inhabiting coastal-neritic waters (0-200m depth). Adults are regularly caught with plankton nets and are clearly pelagic organisms,however, the endoparasitic larval stages infect sessile benthic organisms and therefore are part of the epibenthos and hyperbenthos.
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It is considered one of the finest examples of rich calceaous mixed coppice in the area. Trees include Ash, Small-leaved Lime with scattered Alder, Sessile Oak and Field Maple. The woodland is managed coppice. The ground flora includes Dog's Mercury, Bramble and Hart's-tongue Fern.
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The flowers are sessile or on pedicels up to 3 mm long. The calyx is entire and 0.5–1 mm long. The ivory-white corolla in mature bud is 10–14 mm long and slightly club-shaped. The fruit is almost spherical and about 8 mm long.
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Nepenthes muluensis is a climbing plant. The stem may attain a length of 4 m and is up to 5 mm in diameter. Internodes are cylindrical in cross section and up to 8 cm long. A lower pitcher The leaves of this species are coriaceous and sessile.
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Leaves are coriaceous and sessile. The lamina is lanceolate-ellipsoidal and may be up to 10 cm long and 2 cm wide. It has an adnate base and an obtuse to acute apex. Two to three longitudinal veins are present on either side of the midrib.
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Nepenthes tenuis is a climbing plant. The stem is slender (2–3 mm thick) and angular to rhomboid in cross section. Internodes are 5-6.5 cm long. Leaves are sessile and coriaceous. The lamina is lanceolate in morphology, 5–6 cm long, and 1-1.5 cm wide.
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Nannizziopsis chlamydospora is a keratinophilic microfungus in the family Onygenaceae that causes skin infections in reptiles, producing hyaline, thin- walled, small, sessile conidia and colonies with a strong skunk-like odour. This species is distinguished by producing chlamydospores and its ability to grow at 5 °C.
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Different from other methods of measuring the contact angle, such as the sessile drop method, the system utilized in the captive bubble method has the fluid bubble attached from below to the solid surface, in which both the liquid bubble and the solid interact with a fluid.
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Its leaves are sessile (having no stem), and are elliptic to obovate, with margins which are usually toothed (dentate). They are from 8–30 mm long by 2–9 mm wide. It flowers in spikes which are to 12 cm long. The bracts are leaf- like.
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The species has an extended rhizome which produces stems at irregular intervals. A rosette plant Leaves are sessile. The lamina is lanceolate-spathulate, up to 25 cm long, and up to 4 cm wide. It has an acute to sub-peltate apex and an amplexicaul base.
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The leaves can be herbaceous, leathery, or transformed into spines. The leaves are generally petiolate or subsessile, rarely sessile. They are frequently inodorous, but some are aromatic or fetid. The foliar lamina can be either simple or compound, and the latter can be either pinnatifid or ternate.
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Apodolirion is a genus of herbaceous, perennial and bulbous plants in the Amaryllis family (Amaryllidaceae, subfamily Amaryllidoideae). It consists of 6 species distributed in South Africa. The name Apodolirion comes from the Greek and means "stemless flower" and describes the almost sessile flowers of these species.
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Walker, M. 2010. Super squid sex organ discovered. BBC Earth News, July 7, 2010. As such, deep water squid like M. ingens have the greatest known penis length relative to body size of all mobile animals, second in the entire animal kingdom only to certain sessile barnacles.
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F. spraguei is a perennial fungi. It is sessile, meaning it sticks out from the wood, and sometimes curls up on the edges. It can grow to up to 4 cm thick. The top surface can be ivory white to grey, without any bands or rings.
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Hypericum humboldtianum grows tall, with pseudo-dichotomous, divergent or lateral branches. The orange to brown four-lined stems are ancipitous when young and become terete, with their cortex exfoliating in strips. The internodes are . The sessile or shortly pseudopetiolate leaves are spreading and deciduous, with pseudopetioles long.
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B. dendrobatidis sporangia in the skin of an Atelopus varius. The arrows indicate discharge tubes through which zoospores exit the host cell. Scale bar = 35 µm. B. dendrobatidis has two primary life stages: a sessile, reproductive zoosporangium and a motile, uniflagellated zoospore released from the zoosporangium.
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The leaves are usually stalked, rarely sessile. The leaves are simple to deeply lobed, usually with teeth along the margin. The lower leaf side often bears small nectar-producing glands. Coccinia species are dioecious, meaning that individual plants produce flowers with only male or only female organs.
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Quercus leucotrichophora is an evergreen tree bearing stalked, ovate to lancolate, acuminate, serrate, leathery, and dark green leaves which are glabrous above and densely white or gray pubescent beneath. Male flowers are slender and drooping spikes. Female spikes are sessile and axillary. An acorn is solitary.
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Some specimens' wings have less overlap than these. Pistillate (female) flowers are held in 5 to 7 flowered pendulous sessile or peduncled racemes, and are 2 to 3cm long. Their pedicels are 5 to 10mm long. The sepals are elliptic, obtuse, and 5 to 6mm long.
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The species of the subfamily Corispermoideae are all annual plants. Leaves are mostly alternate, sessile or petiole-like attenuate, laminate, scleromorphic. Typical are branched (dendritic) trichomes (except in Anthochlamys) on young plant parts. The flowers are arranged in simple, compact (sometimes globular) partial inflorescences, or in spikes.
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Gymnolaemata are a class of Bryozoans. Gymnolaemata are sessile, mostly marine organisms and grow on the surfaces of rocks, kelp, and in some cases on animals, like fish. Zooids are cylindrical or flattened. The lophophore is protruded by action of muscles pulling on the frontal wall.
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The leaves are ovate, with serrate margins, tomentose with white down on undersurface, glabrous above. The petioles lack glands. The flowers are an unusual light rose color, coming out in April–May, solitary or in pairs, nearly sessile, with a tubular calyx. There are 22-24 stamens.
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Some birds and toads will eat odorous house ants on occasion. Wheeler (1916) mentions Bothriomyrmex dimmocki as a possible parasite of odorous house ant colonies, suggesting that B. dimmocki queens invade and replace T. sessile queens. Isobrachium myrmecophilum (a small wasp) appears to parasitize odorous house ants.
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In 1998, the Angiosperm Phylogeny Group assigned the genus Trillium, along with genera Paris and Pseudotrillium, to the family Melanthiaceae. The Trillium genus has traditionally been divided into two subgenera, T. subg. Trillium and T. subg. Sessilium, based on whether the flowers are pedicellate or sessile (resp.).
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Cwm Doethie – Mynydd Mallaen is a Site of Special Scientific Interest in Ceredigion and Carmarthenshire, mid Wales. Contained within it is the Allt Rhyd y Groes National nature reserve designated principally because of its sessile oak woodland clinging to near vertical cliffs of the River Doethie gorge.
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Diploria labyrinthiformis can grow upward at a rate of approximately 3.5 millimeters per year, achieving about in diameter. During its planktonic larval stage, the coral has locomotion. After that time, it becomes permanently sessile. This species is a suspension feeder, and survives mainly on zooplankton and bacteria.
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The prescutum has three stripes. The proboscis (rostrum) is short and the antennae are verticillate. Sc2 fuses with radial vein R slightly distal to the base of the radial sector vein Rs an this is not longer than mcu. m1 is sessile, only rarely short and petiolate.
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Kunzea praestans is a flowering plant in the myrtle family, Myrtaceae and is endemic to Western Australia. It is an erect shrub with sessile leaves and groups of about fourteen to twenty pink flowers in more or less spherical groups on the end of the branches.
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Accommodation can be booked all along the route at hotels, guest houses or campsites. The route passes nationally important Welsh natural habitats such as sessile oak woodlands, upland mire and heath, and ancient hedgerows. The area from Penfforddlas to Aberhosan is noted for its heather moorlands.
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Hypericum hookerianum is a glabrous shrub that ranges from in height. Its moderately hard wood is closely grained. The terete branches of the shrub are a reddish brown. Its obtuse leaves are either sessile or possess short stalks and taper to a point at their apex.
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The inflorescence consists of several flowers, and is subtended by a bract 22 to 24 mm long. The flowers are 10–19 mm long and sessile. The hairy, radially symmetric perianth is yellow, and has six roughly equal tepals. There are six stamens all at the same level.
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The large sessile oaks date from about 1850. Those in Colonel's Grove were felled in 1920, and this part of the wood was replanted with ash and beech. Also present are wild cherry and wild service-tree and small-leaved lime. The shrub layer is mostly hazel coppice.
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Upper pitchers are more elongated and less ovoid, with no wings or fringe elements. The peristome is flattened and only slightly expanded. The lid is large and sub-orbicular in shape. The leaves are linear-lanceolate in shape, slightly decurrent towards the base, and have a sessile attachment.
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Biophytum umbraculum is a plant species in the family Oxalidaceae. It is reported from India, China, Indonesia, Malaysia, Burma (Myanmar), New Guinea, Philippines, Thailand, Vietnam, tropical Africa, and Madagascar. The species is an annual herb up to 15 cm tall, bearing sessile umbels.Flora of China vol 11 p 2.
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Crossota alba is a species of hydrozoan in the family Rhopalonematidae. this species does not have sessile stage as other hydromedusae. Crossota is spread all over the ocean and lives their life in water as plankton. Crossota alba are commonly distributed in the west coast waters of India.
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Farndale is famous for its wild daffodils in spring. Sheltered woodlands dominated by sessile oaks can be found to the south of the high ground. These woodland areas are the home of pied flycatchers, sparrow hawks and wood warblers. Roe and fallow deer can also be found here.
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Flat-stalked pondweed grows annually from turions and seed, producing branching plants with slender, flattened stems that are well-branched. The submerged leaves are long, rather grass-like, sessile, and translucent. The leaf tips are mucronate (i.e. with the midrib extending out of the leaf, giving a pointed appearance).
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It is found in a lower intertidal, upper subtidal zone - 30 m deep, inhabiting well protected and shaded areas. Urticina crassicornis is a benthic and sessile organism, firmly attached only to hard substrata. This sea anemone is frequently found on docks, wood pilings, and under large rock outcroppings.
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Amperea xiphoclada, the broom spurge, is a plant species in the family Euphorbiaceae. It is endemic to Australia. It is an erect, rigid shrub growing to between 20 and 90 cm high and is usually leafless in its mature form. Small flowers appear in sessile clusters or on pedicels.
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This species produces small, robust, cream-white flowers in May to October (southern hemisphere), on an unbranched inflorescence. The flowers typically do not have pedicels (sessile), and their lobes curve outwards. The peduncle is robust and relatively short. Several large, elongated, veined, sterile bracts appear along the peduncle.
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Loeflingia is a genus of plant in the family Caryophyllaceae occurring in North America, Europe, northern Africa, and southwestern Asia. Plants of the genus bear bristle-like stipules, as well as axillary, sessile flowers with awned sepals and no or vestigial petals. The fruit is a three-valved capsule.
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The leaves are palmate, with the central leaflets larger than the lateral. Leaf shape and size is highly variable, both between plants and on individual plants. Lafves may have as few as three leaflets or as many as seven. Leaflets may be sessile or attached via a petiole.
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The floral cup is sessile, glabrous or silky, long. The sepals are triangular, long, the petals white, long and the stamens long. Flowering occurs from June to October or November and the fruit is a woody capsule wide and that falls off the plant when the seeds are released.
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Lichens reproduce by means of spores or vegetatively. This characteristic is also seen in free-living fungi and many other plants. There are three common spore-bearing structures found in lichens: the apothecium, the perithecium and the pycnidium. The apothecium is described as being either sessile or immersed.
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Eremophila regia is a shrub that typically grows to high and wide. Its branches are grey to black and warty. The leaves are arranged alternately, green, sessile, warty, thread-like or linear, long and wide. The flowers are borne singly in leaf axils on a slightly curved pedicel long.
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They are hardy, surviving in dry to very dry environments or cold spells. The small, alternate, entire leaves are elliptic to obovate. They have short petioles at the base of the stem but are sessile in the upper half. The solitary inflorescence grows at the top of the branches.
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Pedicels of male flowers 2–4 mm long, the female flowers sessile. Flowers are white and fragrant. Buxus citrifolia has been considered similar to another species in the family Buxaceae – Buxus laevigata. B. citrifolia differs in the fact that B. laevigata – native to Jamaica – has smaller fruits and flowers.
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The leaves are pinnately compound, and are distinguishable from other species by their heavy pubescence. The male inflorescences is a panicle, consisting of approximately ten catkins arranged alternately. The female flowers are sessile on a catkin.A picture of a female inflorescence can be found at Alfaroa costaricensis PlantSystematics.org.
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Leaves are sessile and coriaceous. The lamina is lanceolate- spathulate in form. It may be up to 10 cm long and 2 cm wide. It has an acute apex and is gradually attenuate towards the base, which clasps the stem for one third to a half of its circumference.
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Varronia polycephala, synonym Cordia polycephala, is a native plant of the Virgin Islands that is commonly found in open distributed areas. The flowers are sessile and the inflorences are simple or branched. Fruits are usually bright red and 3-4 millimeters in diameter, covered by an enlarged calyx.
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Flower detail: C. pellucida subsp. pellucida The small ovate-rounded leaves have barely visible stalks, or are sessile (leaf-base fixed around the stem, without any stalk). This feature helps to distinguish this species from the similar and closely related Crassula spathulata. The leaves have faintly toothed margins.
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Osteina is characterized by fruit bodies that are sessile to stipitate, which are bone hard when dry. It has a monomitic hyphal system,containing only generative hyphae with clamps. The spores are hyaline and thin-walled, and are inamyloid and acyanophilic. Osteina causes a brown rot in gymnosperm wood.
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Like all members of the family Diaspididae in Pinnaspis the females are primarily sessile, molting twice before reaching the adult stage.Koteja, J. (1990) 1.3.2. Life History. pp. 243–254. In: Rosen, D. (ed), Armored Scale Insects, Their Biology, Natural Enemies and Control [Series title: World Crop Pests, Vol. 4A].
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Z. Sociatus can be found in the lower intertidal and upper subtidal zones on protected Caribbean reefs. It is a sessile, colonial organism. Z. sociatus grows in the reef understory and on disturbed substrate. Z. sociatus can survive desiccation (an excessive loss of moisture) and lower levels of salinity.
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They have oblique septa. The main axis of the plant, which is upright, bears a set of spirally arranged, sessile leaves having a clearly distinguishable midrib. Sporophyte of Funaria At the apex of the main plant axis, the antheridium is borne. This is the male part of the shoot.
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The golden yellow, occasionally tinged pink petals are long and wide, equal or shorter than the sepals. The twelve to twenty-one stamens are obscurely five-fascicled, the longest measuring . The sessile pistil is about long, ovoid in shape. The ovoid to ellipsoid ovary is long and wide.
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Alternanthera sessilis is an aquatic plant known by several common names, including Matikaduri (মাতিকাদুৰী) in Assamese, ponnanganni (in Tamil), ponnaganti aaku (in Telugu), honnagone (in Kannada), mukunuwenna (in Sinhala), sessile joyweed and dwarf copperleaf. It is used as a vegetable specially in Sri Lanka and some Asian countries.
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There are giant grass tussocks - Festuca pilgeri in wetter areas and Pentaschistis minor in drier areas. Giant lobelias grow as sessile rosettes up to across, but produce inflorescences to tall. Tussock grass grows alongside the lobelias. Dendrosenecio keniensis, Lobelia keniensis and tussock grasses are dominant in the wetter areas.
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Nepenthes naga is a climbing plant growing to a height of around 5 m. The stem is up to 1 cm in diameter. Internodes are circular to rhomboid in cross section and up to 14.8 cm long. A rosette pitcher with a greatly expanded peristome The leaves are sessile.
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The plant produces greenish-yellow flowers, blooming between July and August and seed bearing follicles from mature fruit. The stalks of the plant grow up to in height. The leaves are long and wide and are opposite and sessile. The plant dies back to the ground in winter.
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Uvularia species are herbaceous perennials with erect, simple or twice branched stems. Leaves alternate, sessile or perfoliate. Single or sometimes paired flowers hang downward from the top of the stems appearing axillary but are in fact terminal. They bloom in spring with bell shaped flowers composed of long tepals.
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Knocksink Wood was legally protected as a national nature reserve by the Irish government in 1994. The wood is also listed as a Special Area of Conservation. The reserve had an educational centre, now permanently closed. The reserve is located in a valley, with the slopes predominately sessile oak.
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Young leaves are covered in a very minute, loose pubescence, but become glabrous as they get older. The flowers are bourne on a specialised inflorescence, a flower head or pseudanthium. The flower head is sessile, in length, and around in diameter. The flower heads are dropping, opening downwards.
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The larval shells are quickly eroded after settlement and byssal attachment, with few adult shells ever found with remains of their larval shell stage. Amber pen shells are sessile and remain in the same spot for the rest of their lives, although dislodged individuals can re-establish themselves.
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The most common trees are sessile and pedunculate oak, silver birch and hornbeam. The parkland has old oak pollards on acid or neutral grassland. The country park is divided into Thorndon Park North, with access from The Avenue, and Thorndon Park South, with access from the A128 road.
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H. patagonicus typically occurs in shallow waters to depths of in Argentina. Individuals in Brazil have been found in deeper waters to depths of . They are usually found attached to floating marine algae (Sargassum sp.), seagrasses, sessile invertebrates (such as sponges, ascidians and polychaete worms), or artificial substrates.
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Crinozoa is a subphylum of mostly sessile echinoderms, of which the crinoids, or sea lilies, are the only extant members. Crinozoans have an extremely extensive fossil history, which may or may not extend into the Precambrian (provided the enigmatic Ediacaran Arkarua can be positively identified as an edrioasteroid).
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Other trees include sessile and pedunculate oak, ash, maple and hornbeam, with occasional wild service tree. The understory has elder, hazel, field maple and hawthorn, while the ground flora is donated by bramble. There are many natural ponds and dells. The site is private land with no public access.
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The margin of the mantle is developed and more or less reflected over the edge of the shell. The head is broad and depressed. The two large tentacles are subulate, blunt, far apart, with eyes sessile on prominences at their outer bases. The mouth has a short tube.
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Sessile in adulthood, the clam's mantle tissues act as a habitat for the symbiotic single-celled dinoflagellate algae (zooxanthellae) from which it gets a major portion of its nutrition. By day, the clam spreads out its mantle tissue so that the algae receive the sunlight they need to photosynthesize.
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Hydrocotyle prolifera is an herbaceous perennial that grows as an emergent aquatic plant. It flowers from May through August. It can be distinguished from the similar looking Hydrocotyle verticillata by its pedicellate flowers and fruits, in contrast to the sessile of subsessile flowers and fruits of H. verticillata.
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Hypericum cuisinii is a perennial herbaceous flowering plant that grows tall, rarely growing as high as . The plant is cespitose and decumbent, with a woody taproot. The green and terete stems have a whitish pubescence below the inflorescences. The leaves are sessile or have short petioles measuring long.
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This formed part of the great lordship of Abernethy; the extensive barony of which remained for nearly 500 years in the family of the Rothes... Natural heritage Flisk Wood on the southern shore of the Inner Tay Estuary is a linear woodland between Balmerino in the east and Flisk Point in the west. At 63.4 hectares, Flisk Wood is the largest and least disturbed area of mixed deciduous woodland in Fife. It includes the most extensive stand of ash-elm woodland in north-east Fife and the tree canopy is complemented with sycamore, sessile oak, wild cherry and willow. On more leached, acidic soils in the western section, pedunculate oak replaces sessile oak.
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Over 75% of Germia Park surface is covered by Hungarian oak, Turkey oak, sessile oak and common beech genus. Vegetation of Gërmia consists of four forest genera: Hungarian and Turkey oak (Quercetum frainetoo cerris scardicum Kras.), hornbeam (Carpinus betulus), sessile oak (Quercus sessiliflora) and common beech (Fagus sylvatica). Five species of amphibians including fire salamander (Salamandra salamandra) and European tree frog (Hyla arborea), seven species of reptiles represented by wall lizard (Lacerta muralis) and Hermann's tortoise (Testudo hermani), thirty-two species of birds - golden eagle (Aquila chrysaetos), imperial eagle (Aquila heliacal), woodpecker (Picidae) and nineteen species of mammals which include European hedgehog (Erinaceus europeus) and squirrel (Sciurus vulgaris). Insects compromise the largest animal group on this massif.
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The ant does not show a large propensity for attack, preferring to use chemical secretions instead of biting. When the T. sessile, a subordinate species, was in the presence of dominant ant species such as C. ferrugineus, P. imparis, Lasius alienus, and F. subsericea, they reduced the amount of time spent foraging. This was tested with the use of bait, and when the subordinate species, such as T. sessile, encountered a dominant species they would leave the bait. It would then make sense that the subordinate species would forage at a different time than dominant species, so that they could avoid confrontation, but there is sizable overlap in foraging period on a daily and seasonal basis.
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The tree canopy includes beech (some huge old coppice stools), ash, sessile oak, silver birch, common whitebeam and small-leaved lime. Yew is the dominant shrub, particularly beneath beech trees. There is hazel coppice, field maple, hawthorn, holly and goat willow. There is a rare hybrid present between rowan and whitebeam.
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Nepenthes spathulata is a climbing plant. The stem may grow to a height of 5 m but is only up to 8 mm in diameter. Internodes are up to 15 cm long and cylindrical to angular or rhomboid in cross section. Leaves are sessile to sub-petiolate and coriaceous in texture.
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Eggs can survive within cysts for 10 or more years. However, ~40% of surviving eggs in a sessile cyst die each year. By growing non-susceptible plants for 2 or 3 years between sugar beet planting, nematode levels can be dramatically reduced. This is the primary method of control used commercially.
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Umbilicus schmidtii is an unbranched erect perennial herb up to 25 cm high, glabrous in all parts. Basal leaves orbicular, peltate, up to 6 cm in diameter, somewhat succulent, margin slightly crenate to almost entire, petioles long. Cauline leaves smaller, shortly petiolated to almost sessile. Inflorescence long many flowered terminal raceme.
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First publication Cover art by Gray Morrow "The Handicapped" is a science fiction short story by Larry Niven, originally published in the December 1967 issue of Galaxy Science Fiction as "Handicap". Set in the Known Space universe, the story introduces the Grogs, the sessile but sentient inhabitants of the planet Down.
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Flowers are whitish to pink, fragrant, nearly sessile, up to long and in dense clusters in length. Pods are oblong, flat, thin, strap-like long, wide and light brown. They contain 1–5 flat bean-shaped seeds long. They have a long taproot and numerous surface roots which produce suckers.
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Austromegabalanus psittacus is a large sessile barnacle that lives in groups on hard substrates. It has a tall cone-shaped carapace composed of twelve large plates made of calcite microcrystals which are cemented together. The basal disc is firmly cemented to a hard surface. It grows to a height of .
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The best time of year to look for this plant is from July to September. The sessile trophophore and very short-stalked sporophore serve to distinguish this species from B. simplex. Pumice moonwort has a bluish-grey-green color, as opposed to B. lanceolatum, whose color is more yellow-green.
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The types of polyps found in SPS include sessile serrated adenomas/polyps, traditional serrated adenomas, and hyperplastic polyps. SPS occurs in 2 phenotypes: proximal and distal. Proximal SPS has a greater risk of CRC than distal SPS. The vast majority of cases may be managed with colonoscopy with removal polyps (polypectomy).
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They may be sessile or petiolate. Stipules are absent. New plants often form easily from vegetative parts that fall off the parent plant. Reproductive: The inflorescence is usually terminal to lateral with many-flowered thyrses of cymes, less commonly spikes, racemes or panicles, rarely few to single flowered and axillary.
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Corymbia ferruginea, commonly known as the rusty bloodwood, is a species of tree that is endemic to northern Australia. It has rough, tessellated bark on the trunk and branches, a crown of sessile juvenile leaves, flower buds in groups of three or seven, pale creamy yellow flowers and urn-shaped fruit.
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Although he did not recognize the genus Ganoderma, but rather kept taxa in the genus Polyporus, Overholts agreed with Atkinson, and considered G. sessile as a synonym of the European G. lucidum .Overholts, L. O. 1915. Comparative Studies in the Polyporaceae. Annals of the Missouri Botanical Garden 2:667-730.
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The Spier's Arboretum has a secure future with the prospect of additional species reaching maturity, such as aspen, toffee apple (katsura) tree, handkerchief tree, Wellingtonia, Wollemi pine, holm oak, walnut, fastigiate beech, sessile oak, monkey puzzle, and juniper that will give a total of around fifty tree species in the arboretum.
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Sagittaria rigida, the sessilefruit arrowhead or Canadian arrowhead, is an aquatic plant species native to Canada and to the United States and also naturalized in Great Britain. It grows in shallow waters along the edges of ponds and streams. It generally has linear to narrowly elliptical leaves and sessile female flowers.
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Thoracica is a superorder of crustaceans which contains the most familiar species of barnacles found on rocky coasts, such as Semibalanus balanoides and Chthamalus stellatus. They have six well-developed limbs, and may be either stalked or sessile. The carapace is heavily calcified. The group includes free-living and commensal species.
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Atriplex nuttallii is an evergreen shrub growing to . These species are low-growing, evergreen shrubs that form dense and prostrate. Prostrate branches often create adventitious roots when in contact with the soil. Leaves are sessile, elongated, rounded at the apex, opposite on the lower portions of stems, and alternate above.
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Paleoceanography, 32(8), 813-829. The changes on the bottom floor oxygen where common, with most of the animals dying without being scavenged by bottom-dweller organisms, and sessile life (Except some Polychaetans on higher oxygen conditions).Röhl, H.-J., Schmid-Röhl, A., Oschmann, W., Frimmel, A., Schwark, L., 2001.
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Leaves are sessile or shortly petiolate and coriaceous in texture. The lamina is lanceolate and reaches 30 cm in length and 5 cm in width. It has an acute apex and is attenuate towards the base. Usually around 4 to 6 longitudinal veins are present on either side of the midrib.
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Mycorrhaphium sessile is a species of tooth fungus in the family Steccherinaceae that is found in China. It was described as a new species in 2009 by mycologists Hai-Sheng Yuan and Yu-Cheng Dai. The type collection was made in Yunnan, where it was found fruiting on a fallen branch.
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The openly branched to weeping tree or shrub typically grows to a height of . It has pendulous, flexuose and ribbed branchlets that are sericeous between the ribs. Like most species of Acacia it has phyllodes rather than true leaves . The sessile phyllodes are strongly incurved with a quadrangular cross-section.
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The following description is adapted from the most recent monograph on Lamiaceae. Rotheca is a genus of shrubs, subshrubs, and perennial herbs, with a few becoming lianas or small trees. They emit an unpleasant odor when damaged. The leaves are opposite or whorled, and sessile or with a short petiole.
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Flowering occurs from August to January, with flowers of a greenish coloration. The flowers are sub-sessile, and unisexual, with male and female flowers occurring on separate plants. Flowers are often solitary and are terminal on short branchlets. Male flowers have a cup-shaped calyx and a funnel-shaped corolla.
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The radical leaves have a long petiole, whilst the leaves on the flowering stalks are usually sessile or with short petioles. The glossy leaves are alternate, ternate, consisting of three obovate leaflets with serrated margins. The paired stipules are leaflike and palmately lobed. There are 2–8 dry, inedible fruits.
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Hypericum adenotrichum is a small plant, ranging in height. It has numerous spreading stems with sessile, linear to oblanceolate leaves. Its flowerheads have 3 to 7 (occasionally up to 23) flowers, each flower averaging across. The flowers have bright yellow petals, sometimes tinged with red, with up to 30 stamens.
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Alpinia nigra is a biennial herbaceous plant. It is morphologically characterized by the presence of a rhizome, simple, wide-brim leaves protected by showy bracts, and terminal inflorescences. It has a soft, leafy stem about 1.5-3 m high. Leaves are sessile or subsessile, elongated and pointed at the end.
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The stem of N. hispida grows to 6 m in length and 6 mm in diameter. The cylindrical internodes are up to 15 cm long. Leaves are sessile and coriaceous in texture. The lamina is oblanceolate-oblong in morphology and can measure up to 28 cm long and 4 cm wide.
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Philotheca brevifolia is a species of flowering plant in the family Rutaceae and is endemic to a small area in south-western New South Wales. It is a spreading shrub with fleshy, sessile, cylindrical leaves and white to pink flowers arranged singly or in small groups on the ends of branchlets.
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When found at depth the red colourations may also not be visible, as lower frequencies of light are absorbed by the layers of water above. Like all ascidians, H. momus is a sessile filter feeder. It is commonly found attached to rocks from depths of 3–50 metres (10–160 ft).
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H. japonicum is unusually small for a St. John's wort, growing only tall. Its stems are green and 4-angled, with long internodes that usually exceed the leaves. The leaves are sessile and spreading and are persistent. The species is 30-flowered with flowers branching from up to three nodes.
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The lower leaves are petiolate and elliptic in shape; the upper ones are sessile and lanceolate. The Hungarian gentian flowers from July to September. Its flowers are located in the upper leaf axils or grouped at the end of the stem. The hermaphroditic flowers are radially symmetrical with double perianths.
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The leaves are palmate, cut 5 to 9 times. The basal leaves are arranged in a rosette, the upper ones are sessile, rounded and hairy, with a long petiole of about . The flowers are pinkish- purple, 8–12 mm in diameter, with very jagged petals. It blooms from April to September.
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Beach nourishment has significant impacts on local ecosystems. Nourishment may cause direct mortality to sessile organisms in the target area by burying them under the new sand. Seafloor habitat in both source and target areas are disrupted, e.g., when sand is deposited on coral reefs or when deposited sand hardens.
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The cauline (borne on the stem as opposed to basal) leaves are generally two, sessile, amplexicaul and lanceolate-shaped with a trilobed apex. The inflorescence is umbrella-shaped, in diameter. The floral bracts are numerous (10 - 20), long, pinkish (sometimes white) with acuminate apex. The small flowers are pinkish-white.
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The flowers of E. strictus grow in little pedunculate or sessile clusters numbering 2 - 6. They have 4 or 5, triangular, tepals that measure about 0.5 mm long. The pedicel is 2 – 7 mm long, succulent, broadly obovoid, and colored either mauve, red, or white. E. strictus flowers all year round.
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The forest is exceptionally damp, creating the perfect habitat for nature to flourish. There are over 200 species of liverwort, many forms of moss and lichen too. Trees include sessile oaks, as well as beech, rowan and silver birch. Lichens form on these birches, such as Graphina ruiziana and Parmeliella horrescens.
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Stigmas are four to 16 in number and usually sessile. The fruit is a leathery valvate capsule which splits open to release several red or orange, fleshy-coated seeds. Pollination involves a range of different animals, and several types of rewards. Floral resin occurs in many, probably most species of Clusia.
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Trillium stamineum, the twisted trillium, also known as the Blue Ridge wakerobin, is a species of flowering plant in the family Melanthiaceae. It is native to the southeastern United States, in Alabama, Mississippi and Tennessee. Its natural habitat is calcareous woodlands. In 1901, Harbison compared T. stamineum to T. sessile.
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They are mostly sessile and dehiscent from the tip. The fruit is membranous and contains many seeds. The plant grows perennially, with an acaulescent forb reaching 20 to 50 cm in height and has a taproot. Leaves grow alternately in a pinnate fashion and are usually 8 to 40 cm long.
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Keeping Multibarred Angelfish. WetWebMedia. This is also in the interest of the aquarist, as underfed Centropyge angels may nip at corals and sessile invertebrates.Hauter, S. & Hauter, D. (2016): Reef Tank Safe Angelfish. Saltaquarium. The difficulty of keeping varies from species to species, as does their rarity and correspondingly their price.
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This genus consists of annual, biennial, or perennial species, often with fleshy, thickened roots. The stems grow erect or procumbent. The alternate leaves are petiolate or sessile, with ovate-cordate to rhombic-cuneate leaf blades, their margins mostly entire, with obtuse apex. The inflorescences are long spikelike cymes or glomerules.
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Leptospermum amboinense is a tree that typically grows to a height of . It has rough, grey to brown fibrous bark on the trunk and branches. The leaves are arranged alternately, sessile, narrow elliptical, long and wide with only the midvein barely visible on the lower side. New growth is bronze-coloured.
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Crepidotus is a genus of fungi in the family Crepidotaceae. Species of Crepidotus all have small, convex to fan-shaped sessile caps and grow on wood or plant debris. The genus has been studied extensively, and monographs of the North American,Hesler LR, Smith AH. (1965). North American Species of Crepidotus.
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This leads to a very small petiole and to the gaster being pointed downward. The anal pore then opens ventrally (toward the abdomen) instead of distally. A side view of the body of a T. sessile. It shows that the gaster part of the abdomen is directly above the ant's petiole.
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Nance Wood is a woodland Site of Special Scientific Interest (SSSI) near Portreath, west Cornwall. The site was first notified in 1951 for its almost pure dwarf, sessile oak (Quercus petraea) coppiced woodland, good bryophyte flora and Irish spurge (Euphorbia hyberna), which is found in only two localities in Britain.
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Sessile oak is one of the most important species in Europe both economically and ecologically. Oak timber is traditionally used for building, ships and furniture. Today the best woods are used for quality cabinetmaking, veneers and barrel staves. Rougher material is used for fence construction, roof beams and specialist building work.
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Leptospermum deanei is an often slender, erect shrub typically growing to high. On larger specimens the bark is grey bark and peels in long strips. Younger stems are sometimes silky. The leaves are sessile, narrow elliptical to lance-shaped, long and wide with the tip turned down with a soft, blunt tip.
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Angophora costata subsp. euryphylla is a tree that typically grows to a height of and forms a lignotuber. It has smooth pinkish to orange bark that weathers to grey. Young plants and coppice regrowth have sessile leaves with a stem- clasping base that are egg-shaped, long, wide and arranged in opposite pairs.
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Hylotelephium erythrostictum reaches on average a height of . The stem is simple and the leaves are opposite, sessile, oblong, and succulent, about long. The flat cymes bear many white or pale pink tiny flowers of about of diameter, with lanceolate petals. The flowering period extends from September through October in the Northern Hemisphere.
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It is a soft-wooded deciduous shrub with flat, round succulent leaves. It bears bisexual flowers on sessile inflorescences. Within the genus Portulacaria, it is most closely related to its tiny sister-species, Portulacaria pygmaea.P.Bruyns, M.Oliveira-Neto, G.F. Melo de Pinna, C.Klak: Phylogenetic relationships in the Didiereaceae with special reference to subfamily Portulacarioideae.
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Brachyscome basaltica is a perennial herb with slender, tufted branches long. The leaves are borne either along the aerial stems in clusters at the base of the stems. The branches are smooth or with glandular hairs less than long. The leaves lance, egg-shaped or narrower, sessile, long, wide, tapering at the base.
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Petals 4–5 mm long, usually 5 or sometimes 6, valvate, spreading, deciduous. Stamens usually 5 or sometimes 6, inserted on the margin of the inconspicuous nectary disk; anthers broad oblong; filaments very short. Gynoecium of 5 carpels, receptacle patelliform. Ovary superior, 5-locular, with numerous axile ovules, stigma sessile, 5-lobed.
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Species of Atraphaxis are much branched woody plants, forming shrubs or shrubby tufts. The current year's branchlets are herbaceous and bear the leaves and flowers. The leaves are simple and alternate, with very short stalks (almost sessile). The ochreas are membranous and usually two-veined, more-or-less joined at the base.
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The average size of the leaves varies from of width to a length of . Lower leaves have an elliptical or elliptical- lanceolate shape and have a thin petiole. Their size is more or less similar to the cauline one. Upper leaves are sessile, amplexicaul (their base is embracing the stem) and more lanceolate.
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The upper surface is concave, and this forms a "particular strong channel on the back of its leaves" from which the specific epithet was adopted. It blooms in autumn and winter, from March to June, with the peak in May. The inflorescence is sessile, lacking a stalk. It is tall, and in diameter.
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A terrestrial nemertean from West Java. The animal is long, of which the anterior is visible. A terrestrial Geonemertes sp. on a rotting log, from Mindanao Island, the Philippines Most nemerteans are marine animals that burrow in sediments, lurk in crevices between shells, stones or the holdfasts of algae or sessile animals.
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Boronia prolixa is a low-lying shrub that typically has branches to about long. Its branches, leaves and some flower parts are covered with star-like hairs. The leaves are lance-shaped to egg-shaped, long, wide and sessile or on a petiole up to long. The flowers have a pedicel long.
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The intricate and pungent shrub typically grows to a height of . It has spinose and glabrous branchlets that are rigid and striate-ribbed and caducous stipules. The sessile and patent, rigid, green phyllodes have an inequilaterally triangular-lanceolate to semi-trullate shape. The phyllodes have a length of and a width of .
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The compact and pungent shrub typically grows to a height of . It blooms from September to December and produces yellow flowers. The shrub has rigid, striate-ribbed and glabrous branchlets. The thick rigid phyllodes are sessile, with a narrowly linear to oblong- elliptic shape and are around in length with a width of .
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Mature buds are oval, long and wide with a beaked operculum. Flowering occurs from August to January or April or June and the flowers are red, or rarely, creamy white. The fruit is a sessile, woody, broadly conical capsule long and wide with the valves protruding above the rim of the fruit.
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The hairy flagellum points forward in an arc in sessile cells. Cafeteria is a eukaryotic organism, so it contains the typical organelles such as mitochondria and nuclei. Cafeteria roenbergensis reproduces asexually via binary fission, first replicating the flagella and internal organelles before the cell divides. No sexual activity is known for this species.
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Rubia laurae, Cyprus madder is a trailing perennial with a woody rootstock, stems 10–100 cm long. Leaves 4-whorled, simple, irregularly serrulate, glaucous, coriaceous, sessile, with a broad asymmetrical base, 8–30 x 2–8 mm. Flowers in terminal cymes, small, yellow-brownish, with a 5-merous corolla. Flowers May–August.
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The petioles and rachis often have spines, though there may be very few to none. Leaflets are simple, entire, and articulate at the base, with parallel side veins and no distinct central vein. Male cones are cylindrical, upright, hairy, and stalked. Female cones are stalked or sessile, erect, and have short hairs.
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Glochidion moonii has hairy leaves that are lanceolate-oval in shape with acute ends (acuminate), and conspicuously reticulate veins. Branchlets are more or less tomentose. The numerous flowers are pale yellow; male flowers are found on long hairy peduncles while female flowers are sessile. Flowers may be solitary or grouped in axillary fascicles.
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The flowers are sessile. The male flowers have a round or oblong receptacle and six to ten stamens. The pollen grains are approximately 24 micrometers in diameter and are slightly triangular in polar view. The small fruits are nuts, one-chambered at the apex and eight-chambered (sometimes four-chambered) at the base.
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It is a slender, branching shrublet up to tall with linear to oblanceolate leaves. The sessile leaves are long and across with mostly acute tips. The flowers are small, in terminal and axillary cymes, with very narrow sepals. Each flower is in diameter with 5 bright yellow petals and 60–120 stamens.
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The genus name, Weigela, is named after the German scientist Christian Ehrenfried Weigel. The species epithet, subsessilis, is from the term subsessile, which means "nearly, but not quite sessile." The root, sessilis is derived from Latin, which means low, dwarf in plants. A cultivar with buttery- yellow flowers is known as "Canary Weigela".
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"The Barnacles (Cirripedia) Contained in the Collections of the U.S. National Museum". Bul. United States National Museum 60: p. 122.Pilsbry H. A. (1916). "The Sessile Barnacles (Cirripedia) Contained in the Collections of the U.S. National Museum, including a monograph of the American species". Bul. United States National Museum 93: p. 366.
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Nepenthes talangensis is a climbing plant growing to a height of 3 m. The stem is up to 0.5 cm in diameter and has internodes up to 10 cm long that are cylindrical-angular in cross section. The stem may be branched and is yellowish-green in colour. Leaves are coriaceous and sessile.
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The cnidae, the explosive cells characteristic of the Cnidaria and used in prey capture and defence, are of a single type, there being nematocysts but no spirocysts or ptychocysts. In contrast, the anthozoan life cycle involves a planula larva which settles and becomes a sessile polyp, which is the adult or sexual phase.
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Lamina is about 6-18 x 3.5-7.5 cm in length, shape is oblong to elliptic-oblong. Flowers are unisexual and dioecious. Inflorescence of Male flowers show axillary clusters on very short tubercles, silky tomentose; and female flowers are sessile, in axillary clusters. Fruits are as berries and usually bear 4 seeds.
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Numerous sessile animals (sponges, bryozoans and ascidians) are found on kelp stipes and mobile invertebrate fauna are found in high densities on epiphytic algae on the kelp stipes and on kelp holdfasts.Norderhaug, K.M., Christie, H., Rinde, E., 2002. Colonisation of kelp imitations by epiphyte and holdfast fauna; a study of mobility patterns.
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The alternate leaves are mostly petiolate, (the upper ones sometimes sessile). The leaf blade is linear, lanceolate, oblanceolate, ovate, or elliptic, often pinnately lobed, with cuneate or truncate base, anentire, dentate, or serrate margins. The inflorescences are terminal, loose, simple or compound cymes or dense axillary glomerules. Bracts are absent or reduced.
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It is a hairy, erect to almost recumbent, annual herb, high from a taproot. The leaves are oppositely arranged in pairs about the stem. The lower leaves have short petioles; the upper are sessile. Each leaf, in length, is ovate, or triangular with a truncated or slightly cordate base, with coarse teeth.
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The shrub can grow to in height and generally is about in width.Millspaugh and Hamet, The Genera "Pedilanthus" and "Cubanthus," and Other American "Euphorbiaceae", 1913, p. 355. The leaf is a simple angiosperm leaf, arranged oppositely on the stem. Each leaf is sessile (attaching directly to the plant), and about in length.
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There are forty-odd species, mainly South African, mainly occurring in the Western Cape, about 25 endemic to fynbos. Their leaves are usually opposite, but sometimes alternate. Their flowers are sessile and generally solitary, but sometimes in pairs in the axils of the upper leaves. Each flower is accompanied by two ciliate bracteoles.
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The leaves have whitish midribs, and are positioned basally and mostly alternately on the stem. They vary from linear and sessile nearer the top of the plant, to oblanceolate with petioles nearer the bottom. The stem is up to . The stem and leaves are sparsely to densely covered with short white hairs.
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Each seedpod contains two brown, 2.5 mm long seeds. The stem of field pepperweed comes out of a basal rosette of toothed leaves. The stem is covered in leaves, which are sessile, alternate and arrow-shaped. The entire plant is generally between 20 and 60 cm tall and covered in small hairs.
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These discoveries have produced an alternative model for the origin of the brachiopods; it suggested that they evolved by the reduction of sessile tube-like organisms, until only two shells were left. This contrasts with the brachiopod fold hypothesis which suggests that they formed by the folding of a halkieriid-like organism.
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Eremophila scrobiculata is a shrub that typically grows to high and wide. Its branches are glabrous and grey. The leaves are arranged alternately, clustered near the ends of the branches, sessile, more or less glabrous, linear but thickened, long and wide. The flowers are borne singly in leaf axils on a pedicel long.
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The springs and streams provide a specialist environment that supports bog pimpernel (Anagallis tenella). The woodland is generally birch/sessile oak woodland, valley alder woodland and ash/wych elm woodland, which support a rich lichen flora. Alfoxton Wood is one of only three British locations where the lichen Tomasellia lectea is present.
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Pithecellobium dulce is a tree that reaches a height of about . Its trunk is spiny and its leaves are bipinnate. Each pinna has a single pair of ovate-oblong leaflets that are about long. The flowers are greenish-white, fragrant, sessile and reach about in length, though appear shorter due to coiling.
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Survival of the platform depends on the existence of the reef, because only this part of the platform can build a rigid, wave-resistant structure. The reef is created by essentially in-place, sessile organisms. Today's reefs are mostly built by hermatypic corals. Geologically speaking, reef rocks can be classified as massive boundstones.
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The scattered, inflorescences, stalked, male flowers have free sepals and a stamen. Many fertile female flowers are sessile and have three or four sepals and an egg-shaped ovary. The more or less lateral style ends in an enlarged scar. The ripe figs (collective fruit) are orange-red and have a diameter of .
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Ballyarr Wood was legally protected as a national nature reserve by the Irish government in 1986. The wood features one of north-west Ireland's best and largest semi-natural deciduous woodlands. It contains old sessile oak woods, with holly and hazel trees. Other habitats include scrub, wet grassland, wet woodland, and wet heath.
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The leaves' upper surface is hairless and is dark green in colour. The leaves' base has either a petiole or sessile. The flowers bloom from July to September and are purple coloured. They can be found growing in moist soils by the roadsides, and are common in the meadows and open woodlands.
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Thrift Wood is a 19.4 hectare biological Site of Special Scientific Interest south-east of Bicknacre in Essex. It is managed by the Essex Wildlife Trust. The site is an ancient semi-natural wood on acid soil. It is of two types, both unusual habitats, pedunculate oak/hornbeam and sessile oak/hornbeam.
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The woodland canopy consists of mostly small-leaved lime and sessile oak. The wood supports one of the highest concentrations of the wild service-tree in Gloucestershire. Other species include wild cherry, ash, field maple, silver birch, pedunculate oak and aspen. The under canopy includes hazel, broom, goat willow and guelder-rose.
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The forest is divided into 442 parcels of sessile oak (95% of the surface) and Scots pine or black pine (5%). Beech and hornbeam are also present, along with cherry and checker tree. It is the only forest in France which is managed with harvesting of timber on a cycle exceeding 200 years.
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Stichodactyla helianthus, commonly known as sun anemone, is a sea anemone of the family Stichodactylidae. Helianthus stems from the Greek words ἡλιος (meaning sun), and ἀνθος, meaning flower. S. helianthus is a large, green, sessile, carpet-like sea anemone, from the Caribbean. It lives in shallow areas with mild to strong currents.
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The perianth usually has six unequal segments clasping the sessile or stipitate ovary, which usually has a hard cap and a single locule. There are two styles, sometimes partly joined. The staminodes are ligulate. The fruit has pits or tubercles and is indehiscent.Dyer, R. Allen, The Genera of Southern African Flowering Plants”.
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Pearsonia is an African plant genus of some 12 species belonging to the family Fabaceae and occurring south of the equator with 1 species found on Madagascar. The species are usually herbs or shrublets with woody rootstocks. Leaves are usually sessile and 3-foliolate. The inflorescence is a congested or lax terminal raceme.
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Sepals may be any color. The pistils have one ovule. The flowers have nectaries, but petals are missing in the majority of species. The fruits are ovoid to obovoid shaped achenes that are collected together in a tight cluster, ending variously lengthened stalks; though many species have sessile clusters terminating the stems.
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Boronia excelsa is an erect shrub with many woolly-hairy branches that grows to about a height of . It has simple, elliptic, sessile leaves long and wide. The leaves are much paler on the lower surface. The flowers are pink to white and are arranged singly in leaf axils on a pedicel long.
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Some, however, omit either the polyp or the medusa stage. Cnidarians were formerly grouped with ctenophores in the phylum Coelenterata, but increasing awareness of their differences caused them to be placed in separate phyla. Cnidarians are classified into four main groups: the almost wholly sessile Anthozoa (sea anemones, corals, sea pens); swimming Scyphozoa (jellyfish); Cubozoa (box jellies); and Hydrozoa (a diverse group that includes all the freshwater cnidarians as well as many marine forms, and has both sessile members, such as Hydra, and colonial swimmers, such as the Portuguese Man o' War). Staurozoa have recently been recognised as a class in their own right rather than a sub-group of Scyphozoa, and the highly derived parasitic Myxozoa and Polypodiozoa were firmly recognized as cnidarians in 2007.
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Corymbia ferruginea is a straggly tree that typically grows to a height of and forms a lignotuber. Young plants and coppice regrowth have more or less sessile, rusty green, hairy, broadly lance-shaped to egg-shaped or elliptical leaves that are long and wide. The leaves in the crown of the tree are juvenile leaves that are the same shade of dull green on both sides, with brown hairs along the veins, broadly lance-shaped to egg-shaped or elliptical, long and wide and sessile or on a petiole up to long. The flower buds are arranged on the ends of branchlets of a branched, densely hairy, rusty brown peduncle long, each branch of the peduncle with three or seven buds.
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The first, Josephia sessilis, was based on one of Menzies' specimens: "This species, discovered by Mr. A. Menzies on the West coast of New Holland, is not unlike some varieties of Ilex aquifolium, and now in his Majesty's collection at Kew." The etymology of the specific epithet was not explicitly stated, but it is universally accepted that it comes from the Latin sessilis (sessile, stalkless), in reference to the sessile leaves of this species. Blame for the alleged plagiarism largely fell on Richard Salisbury, who had been present at Brown's readings and is thought to have provided much of the material for Knight's book. Salisbury was ostracized by the botanical community, which undertook to ignore his work as much as possible.
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Eremophila victoriae is a shrub that typically grows to high and wide. Its branches are grey and covered with glandular hairs. The leaves are arranged alternately, sessile, sticky, egg-shaped with thickened edges, long and wide. The flowers are borne singly in leaf axils on a pedicel long that is covered with glandular hairs.
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The only individual of this species at the type locality is a large male plant with numerous branched stems reaching up to 2 m in length. All of the stems are thought to be united by a single rootstock. The stem is dark red to purple, with numerous tiny green spots. Leaves are sessile.
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Apothecia are lecanorine, produced along the lamina or margin, and sessile to pedicellate (or less often sunken). Thalline exciple is concolorous with the thallus. Asci are amyloid, and the vast majority of species have eight spores per ascus, though a few species are many-spored, and several Menegazzia species have two spores per ascus.
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Lepas anserifera is a hermaphrodite. The life cycle is complex and involves a nauplius and a cyprid larval stage during which the animal is mobile and forms part of the plankton. The larva then settles on a suitable surface before undergoing metamorphosis and becoming a sessile, pedunculate juvenile. Lepas anserifera is a filter feeder.
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The head was short with sessile compound eyes. The back was rounded. Like Paleomerus, Strabops possessed prominent dorsal eyes, however, there is no evidence of this in the fossils of Parapaleomerus. The great similarity that Strabops and Paleomerus share has cast doubt on many authors about whether both genera are really synonymous or not.
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In Norway this is a common species in depths of . Minimum recorded depth is 0 m and maximum recorded depth is 183 m. Flabellina verrucosa sensu lato has been reported at depths down to about and seems to inhabit both sandy and rocky habitats. Coryphella verrucosa grazes on sessile invertebrates on the sea bed.
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Buckley's St. Johnswort is a small shrub, growing up to tall and spreading to form low, compact mats. It has peeling, reddish stems with thin bark. The oblong or oblanceolate leaves are sessile or subsessile, up to long and broad. Typically just one flower is produced per flowerhead, though it may have up to 5.
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SPS is the most common polyposis syndrome affecting the colon. There is no clear association of SPS with any cancers other than colorectal cancer. However, there is mixed evidence regarding a possible association with SPS and pancreatic cancer. Individuals with a history of lymphoma have a higher risk of developing sessile serrated polyposis syndrome.
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The buds are sessile or on pedicels up to long. Mature buds are oval to pear-shaped, long and wide with a rounded operculum. Flowering occurs from January to April and the flowers are pale creamy yellow. The fruit is a woody urn-shaped capsule long and wide with the valves enclosed in the fruit.
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Anheteromeyenia argyrosperma is found in both lotic (flowing water) and lentic (still) habitats. Typically in waters of about neutral pH with low to moderate alkalinity and high conductivity; in temperatures of 9 to 23 °C. They are sessile suspension feeders that attach to submerged surfaces such as rocks and logs in most inland habitats.
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These are golden-brown or slightly reddish in color. The stems are rather thick and slightly angled. The leaves are alternate or subopposite in arrangement, sessile, long, and wide at the end like a spoon or spatula. The flowers are solitary on the ends of stems, immediately above the leaves, and usually face upward.
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The appearance of peripheral giant-cell granuloma is also similar to pyogenic granuloma. The color ranges from red to bluish- purple, but is usually more blue in comparison to pyogenic granuloma. It can be sessile or pedunculated with the size usually being less than 2 cm. The lesion has a 60% gender predilection to females.
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The color of peripheral ossifying fibromas ranges from red to pink, and is frequently ulcerated. It can be sessile or pedunculated with the size usually being less than 2 cm. Weeks or months may pass by before it is seen and diagnosed. There is a gender difference with 66% of the disease occurring in females.
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The diffuse and multi-branched shrub typically grows to a height of . The glabrous branchlets have minute stipules and tend to be a red-brown colour at the extremities and age to a light-grey colour. The sessile acicular phyllodes have a length of and are around . It blooms from August and produces yellow flowers.
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Rubus dasyphyllus is an arching shrub with a hairy, reddish stem. The stem bears numerous prickles and pricklets, these ranging in length from . Glands, both stalked and sessile are also numerous on the stem. The leaves are divided into 3–5 leaflets; these are light glossy green and hairless above, and greyish and downy below.
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Angophora costata subsp. costata is a tree that typically grows to a height of and forms a lignotuber. It has smooth pinkish to orange bark that weathers to grey. Young plants and coppice regrowth have sessile leaves with a stem-clasping base that are elliptical to egg-shaped, long, wide and arranged in opposite pairs.
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Trillium sessile has three oval to nearly circular bracts, up to long and across. The bracts are green or sometimes bluish, typically with mottling which fades as the flower matures. Each flower has three sepals and three petals. The petals are typically maroon or brownish, sometimes green or yellowish green, up to long and broad.
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Hypericum undulatum grows tall, typically erect or decumbent with a creeping or rooting base. The herb typically has numerous to few narrow stems, each with four wings of tissue that bear black glands. The internodes are longer than the leaves, measuring long. The sessile leaves have elliptic to narrowly oblong blades measuring long and wide.
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Rocky Plantation is a nature reserve north of Markfield in Leicestershire. It is owned by the National Trust and managed by the Leicestershire and Rutland Wildlife Trust. This site has mixed woodland, including some mature sessile oaks, and rocky outcrops. There is a variety of fungi and birds, including great spotted woodpeckers and nuthatches.
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The pedicelled spikelets may be highly reduced or well-developed, and are at least as long as the sessile spikelets, or shorter (2–6 mm long). The pedicel is typically 1 mm long and stout, and spikelet’s lemmas are usually empty and awnless. The glumes are papery, and ovate to pointed with a blunt apex.
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Ammannia multiflora is an erect, branched herb which grows to a height of about 60 cm. The leaves are opposite, and without stalks (sessile). The leaf blade is oblong-linear to narrowly lanceolate or oblanceolate, and from 0.5 to 5 cm long, with a heart-shaped base. The inflorescences occur in short dense clusters.
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Every tissue harbors its own specialized population of resident macrophages, which entertain reciprocal interconnections with the stroma and functional tissue. These resident macrophages are sessile (non-migratory), provide essential growth factors to support the physiological function of the tissue (e.g. macrophage-neuronal crosstalk in the guts), and can actively protect the tissue from inflammatory damage.
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The rigid spreading domed shrub typically grows to a height of . It has glabrous branchlets with sessile, rigid and glabrous phyllodes which have a straight to recurved shape. The phyllodes are terete to subterete with a length of around and a diameter of about . It blooms from September to October and produces yellow flowers.
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Melibe leonina in aquaria. While most nudibranchs are predators of sessile benthic organisms, M. leonina feeds on planktonic invertebrates. M. leonina is carnivorous and has been observed eating several types of planktonic crustaceans, including amphipods, copepods, ostracods, and various types of larvae. M. leonina lack any features associated with chewing, so prey are swallowed whole.
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The former is considered the more primitive group of species. Until recently the sessile-flowered subgenus was known by the name Phyllantherum, but the name Sessilium has precedence and should be used. T. subg. Sessilium has been shown to be a monophyletic group by molecular systematics but its segregation renders the remaining T. subg.
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Reaching a height of , the stem is prostrate to ascending, woody, reddish, quite hairy and very branched. The leaves are ovate to lanceolate, sessile and hairy, 1–3 cm long. The five-petalled flowers are arranged in groups at the ends of branches. They have red or pink (rarely white) petals and blue anthers.
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The flower buds are arranged in leaf axils in groups of eleven or thirteen on an unbranched peduncle long, the individual buds sessile. Flowering occurs fom December to January and the flowers are creamy white. The fruit is a woody shortened spherical or hemispherical capsule long and wide with the valves near rim level.
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The woodlands of Daws Heath include the following named woods. Pound Wood (OS Grid Reference TQ820887) lies to the north of Bramble Road and spans the parishes of Thundersley and Hadleigh. It is a 54.0 acre (21.85 hectare) coppice wood with standard Oaks, mainly Sessile but some Pedunculate. Coppice trees include Willow, Hornbeam and Chestnut.
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The Pontfadog Oak, once considered to be the oldest oak tree in the UK, was a sessile oak. This grew near Chirk in North Wales. It was understood to be over 1,200 years old, an age that was due to regular pollarding for much of its life. The hollow trunk had a girth of .
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Trees up to 30 m tall, dark brown bark. Leaves elliptic to oblong, 3–29 cm long and 1.2–3 cm wide, apex acumiunate, base cuneate. Male cones axillary, sessile, solitary, up to 5 cm long. Ovules on a receptacle of 1.2 cm long, at the end of a 1–2 cm long peduncle.
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Pyura herdmani, one of two southern African species of "red bait" (or "rooiaas" in Afrikaans), is a sessile ascidian, or sea squirt, that lives in coastal waters attached to rocks or artificial structures. Sea squirts are named for their habit of squirting a stream of water from their exhalant siphons when touched at low tide.
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The flowering season of Boerhavia erecta is from early summer to mid-autumn. The inflorescences are determinatively cymose, meaning that the central, terminate flowers open before the basal flowers. Two leafy bracts subtend each branch of the inflorescence, but detach at an early stage. Each peduncle bears 2–6 sessile flowers at its apex.
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The low spreading domed shrub typically grows to a height of . It has flexuose branchlets that are slightly ribbed and usually lightly covered with stiff sharp hairs. The evergreen, glabrous, sessile phyllodes have a length of and a diameter of and eight equal raised nerves. It blooms from October to February producing yellow flowers.
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There are numerous common liverworts such as Conocephalum conicum and Marchantia polymorpha.Ratcliffe (1977) p.27. Autumn Flapwort (Jamesoniella autumnali), a nationally scarce species most commonly found in the sessile oak woods of western Scotland, was discovered at a site on Ben Lomond in 2008. The species is named after the Scottish botanist, William Jameson.
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The bangalay (E. botryoides) is similar in appearance, but its flower buds are smaller with a conical operculum and only grow in groups of seven. The fruits are smaller and sessile, rather than on stalks. The name E. robusta is derived from the Latin robustus (robust), and refers to the appearance of the tree species.
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Mature buds are oval to spherical, long and wide with a rounded operculum with a pointed tip. Flowering occurs in November and the flowers are lemon yellow. The fruit is a sessile, woody conical to hemispherical capsule long and wide with the four valves protruding above the rim. The seeds are oval, pale to light brown and long.
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The female spikes are thick, 10–15 mm wide, and 2–10 cm long, either sessile (stalkless) or on short stalks, with 50–100 well-separated florets. Spikes are generally erect, with lower spikes sometimes nodding, and they are sometimes compound. The olive-green perigynium is 5.5–7.3 mm long, hairless, distinctly ribbed, and gradually tapers into a beak.
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Bivalve molluscs are used as bioindicators to monitor the health of aquatic environments in both fresh water and the marine environments. Their population status and structure, physiology, behaviour and their levels of contamination with chemicals together provide a detailed indication of the status of the ecosystem. Because they are sessile, they serve as readily-monitored representatives of their environment.
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A few have cladodes rather than leaves. Extrafloral nectaries may be present on the petiole and rachis, and the pinnule tips may carry protein-lipid Beltian bodies. The leaflets are usually opposite, and are carried on shortly stalks or are sessile. The heartwood is typically red and hard, and the sap of various species hardens into gum.
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Approximately 75% of the reserve is forested. The floral communities depend on the altitude, in four main zones. From sea level to 400 meters, oak trees and Juniperus excelsa are most typical. From 400 to 900 meters the dominant trees are Black European Pine (a subspecies of Pinus nigra, with stands of Sessile oak (Quercus petraea), ash and hornbeam.
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Young plants may have sessile leaves lacking a petiole. The lower surface of the lamina is often dark red in colour, contrasting sharply with the dark green upper surface. The margins of the lamina are sometimes curled upwards. Tendrils have a peltate insertion, with the point of attachment being up to 27 mm from the apex.
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Since then no phylogeny of the genus has garnered much agreement. (The other subgenus, Phyllantherum, includes sessile-flowered species.) T. grandiflorum is, alongside the western T. ovatum, one of the closer relatives to the subg. Phyllantherum members. Trillium grandiflorum forma roseum with distinctly undulate margin of petals and leaves One form of the plant, T. grandiflorum f.
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Its leaves are alternate and compound with three leaflets, dotted with oil glands. The leaflets are sessile, ovate or oblong, long by broad, pointed at the base, entire or serrate, and gradually pointed at the apex. They are feather-veined, with a prominent midrib and primary veins. They come out of the bud conduplicate and very downy.
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It is a variable deciduous shrub growing to tall by wide, the stems woody, slightly hairy, and branched. The alternate, nearly sessile leaves are glabrous and lanceolate. Golden yellow pea-like flowers are borne in erect narrow racemes from spring to early summer. The fruit is a long, shiny pod shaped like a green bean pod.
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The inflorescences are specialised structures called pseudanthia, also known simply as flower heads, containing hundred of reduced flowers, called florets. The flower heads are sessile. The flower heads are cup-shaped, dropping and pendulous, coloured red, in length, and in diameter. The flower heads are surrounded by a series of seven rows of petal or scale-like 'involucral bracts'.
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Oregonia gracilis, commonly known as the graceful decorator crab, is a species of crab belonging to the family Oregoniidae. Like other decorator crabs it habitually attaches other organisms to its back. The sessile organisms are attached to hooked setae that act as a sort of velcro attachment. This decoration provides visual and chemical camouflage thus reducing predation risk.
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Behind each eye is a large and curved postorbital spine. Using fine hooked setae found on the carapace, the crab liberally decorates itself with algae, sponges, bryozoans and hydroids. Its shell covered in sessile organisms makes the crab camouflaged to its environment. Juveniles and adult females decorate heavily whereas adult males are sparse in their decoration.
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Transitional cell carcinomas are often multifocal, with 30–40% of patients having more than one tumor at diagnosis. The pattern of growth of transitional cell carcinomas can be papillary, sessile, or carcinoma in situ. The most common site of transitional cell carcinoma metastasis outside the pelvis is bone (35%); of these, 40 percent are in the spine.
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Lychnorhiza lucerna has a complex life cycle with an alternation of sexual and asexual stages. An adult jellyfish is known as a medusa and is gonochoristic, which means that it is either male or female. The fertilized eggs hatch into planula larvae. These soon settle and undergo metamorphosis into sessile polyps, known as a scyphistomae, with four tentacles.
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Neoprotoparmelia has a crustose thallus. Its apothecia are lecanorine, and are broadly adnate to sessile, with a distinct thalline margin. The proper margin (referring to an apothecial margin lacking algae and derived from apothecial tissue) is cup-shaped (cupulate), and translucent (hyaline). The asci are eight-spored to multispored, club-shaped (clavate), and variations of the Lecanora-type.
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The petiolate leaves strongly resemble the leaves of the common plantain. Pursh himself observed that T. petiolatum "has leaves very much like Plantago major." The scape is long but most of it remains below the surface since the rhizome is deep underground, presumably for protection. Consequently the leaf-whorl and the sessile flower sit at or near ground level.
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The wood is dominated by Sessile Oak but includes some Beech, Small-leaved Lime and Birch. Hazel, Beech, Small-leaved Lime also make up an understorey with Rowan and Holly. Ground flora includes Bramble, Bracken, Ivy, Dog's Mercury and Bilberry. Local herbs include Forester's Woodrush (Luzula forsteri), Bitter Vetch, Alder Buckthorn and Wood Fescue (Festuca altissima).
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Eucalyptus risdonii is a tree that typically grows to a height of and forms a lignotuber. The bark is smooth, grey, yellow, white or cream-coloured. Young plants and coppice regrowth have glaucous, sessile, egg-shaped leaves arranged in opposite pairs with their bases joined, long and wide. The crown is composed mostly of juvenile leaves.
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It blooms from August to September producing yellow flowers. The simple inflorescences are sessile spikes usually tapering towards the apex when budding. The inflorescences have a length of with a densely covered in pale golden to dark golden flowers. The linear seed pods that form later are deflexed and raised over but not often constricted between seeds.
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Stems 5–10 cm, erect to ascending, slender, many, arising from the base, purplish-brown, glabrous. Leaves 5-15 x 3-5 somewhat thick, obovate to spathulate, basal leaves forming a rosette, cauline apparently whorled at the nodes, at the point of branching. Stipules lanceolate, lacerate, acuminate. Flowers sessile in dense, terminal spikes with long peduncles.
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Some leaves are borne on petioles, and others are sessile, attached to the stem at their bases. They vary in shape, and some are lobed or toothed. The flower head is solitary, paired, or in a group of three on the stem. The base of the head is layered with up to 60 or more rough-edged phyllaries.
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The leaf veins are almost parallel. The flower buds are arranged in leaf axils in a star-like cluster of between nine and fifteen on an unbranched peduncle long, the individual buds sessile. Mature buds are spindle-shaped, long and about wide with a pointed, conical operculum. Flowering occurs between February and May and the flowers are white.
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The bushy and prickly shrub typically grows to a height of with an erect or decumbent habit. The branchlets are terete with fine ridges and light to densely hairy. The sessile phyllodes have an ovate to lanceolate or elliptic shape and are in length and wide. It blooms from July to October and produces yellow flowers.
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The species is tall and have 3–8 pairs of leaflets which are elliptic, obovate, sessile, and are by . The leaves are long with membranous and brown coloured stipules. Flowers are as tall as while the sepals are ovate and the apex is acute. It petals are yellow in colour and are obovate with rounded apex.
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These anemones tend to live a solitary life, but can be occasionally seen as groups with no more than 14 individuals per square meter. They can move slowly using their basal disks, but usually stay sessile. Like other anemones, A. xanthogrammica can use stinging cells located in the tentacles as protection from predators and a mechanism to capture prey.
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During French President Emmanuel Macron's 2018 state visit to the United States, President Donald Trump, First Lady Melania Trump, French President Macron and his wife Brigitte Macron planted a "European sessile oak from the Belleau Wood" on the South Lawn to commemorate the Battle of Belleau Wood. The tree was removed to quarantine soon after planting.
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It produces large yellow-green flowers that occur from July to October in the species' native range. Each simple, axillary conflorescence is made up of three to seven flowered umbellasters on broadly flattened peduncles. The fruits or capsules are clustered and sessile on a flattened peduncle. They have a campanulate shape with one prominent rib with many weak ribs.
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It has a slender stem or peduncle, that can grow up to between tall. It is normally taller than the foliage. The stem has several branches, (or pedicels), normally 2–4, the lower branches are long and the upper branches are sessile. The stem has obtuse or rounded, inflated, spathes that are very heavily stained purple.
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Hypericum virginicum (Triadenum virginicum), the marsh St. Johns-wort or Virginia marsh St. Johnswort, is a species of flowering plant in the family Hypericaceae. It is native to the central and eastern United States and eastern Canada. Hypericum virginicum is a small herbaceous plant growing up to in height. Its leaves are sessile and opposite, sometimes clasping.
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Fungi are the primary decomposers in most environments, illustrated here Mycena interrupta. Saprophages are organisms that obtain nutrients by consuming decomposing dead plant or animal biomass. They are distinguished from detritivores in that saprophages are sessile consumers while detritivore are mobile. Typical saprophagic animals include sedentary polychaetes such as amphitrites (Amphitritinae, worms of the family Terebellidae) and other terebellids.
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They are more or less the same colour on both surfaces. The flower buds are arranged in groups of three in leaf axils on a flattened peduncle long, the individual buds sessile. The mature buds are oval to spindle-shaped, about long and wide with a conical operculum. Flowering has been observed in February and the flowers are white.
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Cincta is an extinct class of echinoderms that lived only in the Middle Cambrian epoch. Homostelea is a junior synonym. The classification of cinctans is controversial, but they are probably part of the echinoderm stem group. Cinctans were sessile, asymmetrical animals with a skeleton made of stereom plates and a racquet-shaped body composed of a theca and stele.
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Nepenthes spectabilis is a climbing plant. The stem can reach lengths of 6 m and is up to 7 mm in diameter. Internodes are cylindrical in cross section and up to 10 cm long. A lower pitcher Leaves are coriaceous and sessile. The lamina is oblong and up to 16 cm long by 6 cm wide.
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The upper cauline leaves, if present, are truly sessile. The inflorescence consists of one, or rarely two, flowers that face upward and are at the end of a peduncle that has few or no leaves. The flowers are perfect and slightly zygomorphic. The five sepals are shortly connate at their bases, and persistent through maturity of the fruit.
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Boronia penicillata is a spreading shrub that grows to a height of . The leaves are sessile and pinnate with three or five leaflets, each leaflet linear to narrow wedge-shaped and long. The flowers are borne singly in leaf axils on a pedicel long. The four sepals are egg-shaped, long and the four petals are white and long.
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Chapter "Immature stages", (pp. 104–133). After growth and ecdysis, the caterpillar enters into a sessile developmental stage called a pupa (or chrysalis) around which it may form a casing. The insect develops into the adult in the pupa stage; when ready the pupa hatches and the adult stage or imago of a butterfly or moth arises.
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Old-growth, sessile oak (Quercus petraea), growing in ravines and slopes in parts of the ancient deer park at Boconnoc House, contain an internationally important assemblage of lichens, making it one of the most important sites in Europe. The site is also considered to be the best ″old-growth, southern- oceanic oak woodland″ in the south-west.
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Melicope bonwickii grows up to tall. The leaves are trifoliate on a petiole long, the end leaflet egg-shaped with the narrower end towards the base, sessile, long and wide. The flowers are bisexual and are borne in panicles long, in leaf axils. The sepals are more or less round, long and joined at the base.
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The grey- green leaves are small (3-5mm), velvety, needle-shaped and often appear in sets of five. The spines at the branch-nodes usually appear in sets of three - a longer central spine (max.30mm) and two lateral spines. The tiny, white, strongly scented flowers are sessile (without stalks), and they appear from autumn to spring.
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The stems are solitary and erect, usually with three branches on the apex and with longitudinal purple stripes. This plant generally reaches about in height, with a maximum of . The basal leaves are oval or heart-shaped, wide and long, with toothed hedges and a long petiole. The cauline leaves are sessile and progressively more divided.
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A terminal leaflet is seen on the end of the compound leaf. Leaf stalks vary between 20 mm and no leaf stalk in sub species leptophylla. Leaf shape varies between ovate or elliptic to broad-elliptic in sub species sambucifolia. However the sessile leaflets of sub species leptophylla are oblong linear and somewhat curved (falcate) in shape.
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The species is a shrub or shrublet that grows up to half a meter tall. It has many branches that are divergent-ascending and flexuous. The stems are 4-lined and their cortex is reddish, and the bark is slightly ribbed. The leaves are opposite and free, and are all sessile; their petioles are up to 4 millimeters long.
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Vella is a genus of plants in the family Brassicaceae, under which there are no fewer than six species. Species are many branched, and have hairy, sessile, entire leaves that are narrower in width at their bases, widening out to form ovals. Fruits are stiff follicles. Vella is endemic to that area of land encompassing Algeria, Morocco, and Spain.
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They are elongated fish, although not as much so as the true eels. They typically feed on slow- moving or sessile animals, such as molluscs, echinoderms, and sea anemones. Like the true eels, they have a leptocephalus larva that floats in the surface waters before transforming into an adult. Unusually, the larva can often be larger than the adult.
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Red grouper actively excavate pits in the seafloor. They start digging in the sediment from the time they settle out of the plankton and continue throughout their lifetime. They use their caudal fin and their mouths to remove debris and sediment from rocks, creating exposed surfaces on which sessile organisms actively settle (e.g., sponges, soft corals, algae).
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Arcadian St. John's wort is a small, thicket-forming shrub, growing up to tall. The stems are reddish-brown, marked with lines when young and with bark peeling in strips as it ages. The leathery leaves are sessile and elliptic, growing long and across, paler underneath and waxy above. The leaves quickly fall off, leaving behind gland-like auricles.
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Plants in the genus Coopernookia are small shrubs covered with star-like, often glandular hairs that are often sticky. The leaves are sessile or almost so, sometimes have toothed edges and sometimes have their edges curled under. The flowers are arranged on the ends of branches, surrounded by leaves. The flowers are zygomorphic, meaning that they have bilateral symmetry.
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Inflorescence of Epazote (Dysphania ambrosioides) The species of genus Dysphania are annual plants or short-lived perennials. They are covered with stalked oder sessile glandular hairs and therefore with aromatic scent (or malodorous to some people). Some species have uniseriate multicellular trichomes, rarely becoming glabrous. The stems are erect, ascending, decumbent, or prostrate and mostly branched.
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Haploporus species have an annual to perennial growth habit. They are crust like, with sessile or effused-reflexed (crust like with outside edges extended to form caps) fruit bodies. The hyphal system of Haploporus is dimitic to trimitic; the generative hyphae have clamp connections. The spores are oblong ellipsoid to roughly spherical, ornamented, thick-walled and cyanophilous.
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F. rosea is a perennial fungus. It is sessile, meaning it sticks out from the wood it grows on. It often grows in a hoof or fan shape, with a smooth surface. The top of the conk can be a pale pink fading to a grey or brown colour, while the bottom is a pale pink.
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Apart from the grassland, the flora includes oxeye daisy and eye-bright, and in bog areas lady's smock, lousewort, rush and meadowsweet; wet areas have sedge and rush; wooded areas comprise sessile oak, moss, lichen and fern. Notable bird species in the forest include goshawk, crossbills and black grouse in particular. The goshawk has appeared increasingly since the 1980s.
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These are also the conditions necessary to the development of recreation and various forms of tourism in the region. This should be kept in mind when planning to expand surface coal exploitation or build new roads. Forest of sessile oak, black oak and other varieties can be found at Bogutovo Selo, Korenita and Lazarevic, as elsewhere.
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Pustules develop on the leaves early in the season appearing as small creamy yellow spots. The spores produced in the pustules are aeciospores and spread the disease throughout the plant by wind. When these spores are released they are deposited as yellow powder. The aeciospores are found in chains of 7-8 spores and are sessile.
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In A. J. Southward (ed.), 1987. The sessile lifestyle of barnacles makes sexual reproduction difficult, as the organisms cannot leave their shells to mate. To facilitate genetic transfer between isolated individuals, barnacles have extraordinarily long penises. Barnacles probably have the largest penis to body size ratio of the animal kingdom, up to eight times their body length.
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Pineland St. John's wort is a small, spreading shrub, only tall, with many-branched stems. The stems are 4-lined when young, exfoliating as it matures, into thin, reddish-brown strips or flakes. The leaves are slightly leathery, long and across, sessile or subsessile, with pale undersides. The leaf edge (margin) is flat or slightly recurved.
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Astragalus proimanthus is a stemless perennial forb with densely-clustered leaves consisting of three narrowly oblanceolate to elliptic leaflets. It grows in low cushions of 20–30 cm in diameter. The foliage is silvery-whitish with ascending, twisted or spreading hairs. The flowers are yellow or whitish, sessile, pea-like and up to 17 mm long.
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Dwarf cornel is a rhizomatous herbaceous perennial growing to tall, with few pairs of sessile cauline leaves in opposite pairs, long and broad, with 3-5 veins from the base. The flowers are small, dark purple, produced in a tight umbel that is surrounded by four conspicuous white petal-like bracts long. The fruit is a red berry.
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The tall shrub or tree typically grows to a height of . The bark on the trunk and larger branches is rough, fissured and grey in colour. The sessile evergreen leaves have a linear to narrowly oblanceolate or narrowly elliptic shape and are in length and wide. It blooms from January to July and produce yellow-cream flowers.
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A solitary flower is carried directly on the leaves. Unlike other sessile-flowered trilliums, the petals spread horizontally (instead of vertically) exposing stiffly erect stamens long. The dark maroon petals, long by wide, have a distinctive twist along their major axis. The carrion-scented flower of this species attracts scavenging flies and other insects for pollination.
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The leaves have acute to rounded apices, cuneate bases, and an entire margin. The upper leaves have five to seven veins arising from their rounded, sessile or clasping base. The basal leaves are more purplish and crowded, and measure long and wide. The tertiary reticulation is dense as are the laminar glands that create the punctiform pattern.
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The intricate and prickly shrub typically grows to a height of . It has hairy, rigid and pungent branchlets. Like most species of Acacia it has phyllodes rather than true leaves. The sessile and evergreen phyllodes have a variable and inequilateral shape that is usually obtriangular to obdeltate with a length of and a width of and a prominent midrib.
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Boronia westringioides is an erect shrub that typically grows to a height of and has ascending branches. The leaves are sessile and elliptic, sometimes trifoliate, more or less terete and long. The flowers are borne singly in upper leaf axils on a top-shaped pedicel long. There are leaf-like bracts about long at the base of the flowers.
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The sessile colonial stage of Obelia longissima is the most long-lived and the most easily observed of its life stages. The hydroid looks superficially like fronds of seaweed. It has a basal stolon growing in close proximity with the substrate. Out of this grow fragile, flexible stems up to high each with short side branches.
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A mature tree at Nettlecombe Park Nettlecombe Park is of undulating parkland boasting monumental solitary trees and treegroups. It was probably once an oak forest in the main. Today, among these, oaks and sweet chestnuts are still the most common. Several sessile oaks are outstandingly large and were famous from ancient accounts for their great size.
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They are sessile in adulthood. By day, the clams spread out their mantle so that the algae receive the sunlight they need to photosynthesize, whereas the colour pigments protect the clam against excessive light and UV radiation. Adult clams get most (70-100%) of their nutrients from the algae and the rest from filter feeding.Klumpp,D.W., Lucas,J.
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Leptospermum benwellii is a shrub that typically grows to a height of and has smooth bark that is shed annually. Young branchlets are glabrous with conspicuous flanges. The leaves are arranged alternately, more or less sessile, paler on the lower surface, narrow elliptical, long and wide. The lower side of young leaves are hairy near their edge.
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Young sterile fronds are pink-bronze tinged until maturity. The pinnae are close together on a long stipe, with the lower pinnae only slightly shorter than the upper pinnae, and a long frond tip. The pinnae have a finely toothed margin, and are slightly stalked - not sessile. They exhibit conspicuous lateral veins, which are crowded and parallel.
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Members of this genus are small, convex to fan-shaped, and sessile. Species have cheilocystidia Spore prints are yellow-brown to brown. All species of Crepidotus are known to be secondary decomposers of plant matter; most are saprobic on wood. Little is known about the edibility of various species; the usually small and insubstantial specimens discourage mycophagy.
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Plants are commonly around high, though they may grow to over high when supported. The flattened stem segments are fleshy, round and blue-grey in colour. These are up to in diameter and have the length of sharp spines up to . Yellow, sessile flowers with a fleshy base are produced on the edges of the upper stem segments.
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Mature buds are spindle-shaped, long and about wide with a horn-shaped operculum about the same length as the floral cup. Flowering occurs in summer and the flowers are white. The fruit is a sessile, woody, cup-shaped to shortened hemispherical capsule about long and wide with the valves below the rim of the fruit.
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The shrub typically grows to a height of and has a dense and intricate habit. It has glabrous with persistent and spinose stipules with a length of . Like most species of Acacia it has phyllodes rather than true leaves. The evergreen, sessile phyllodes that are usually continuous with the branchlets have a length of and a diameter of .
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The rigid spreading prickly shrub typically grows to a height of . The branchlets are glabrous to sparsely haired and have scarring where phyllodes have detached. The pungent, rigid, glabrous phyllodes are sessile and are found on distinct, yellow stem-projections. Each phyllode has a straight to curved shape and are usually in length with a width of .
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Fruitbodies resemble flattened cups with diameters of up to . The inner spore-bearing surface, the hymenium, is purple to purple-brown, but lightens to brown in age. The exterior surface is pale purple and scurfy (covered with small flakes or scales that are shed from the underlying surface). This species is sessile, and does not have a stipe.
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Botanica Marina 47(4): 265-271. M. membranacea also decreases density and size of kelp plants within kelp beds by increasing tissue loss and blade breakage.Hepburn, C.D., C.L. Hurd and R.D. Frew (2006). Colony structure and seasonal differences in light and nitrogen modify the impact of sessile epifauna on the giant kelp Macrocystis pyrifera (L.) C Agardh.
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The seeds themselves are ellipsoidal, smooth, brown and 1.0–1.2 × 0.6–0.7 mm in size. Basel appendages are fibrillate and up to 0.2 mm long. The fruit of L. nivalis is sessile and dry with a persistent and glabrous calyx. The rosette-like whorl of short leaves in Luzula nivalis allows it to easily be distinguished from Luzula confusa.
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A diagram showing the names of the different sections of a typical ant's body. Note that the petiole in this "typical ant" is in front of the gaster, rather than under it. The antennae of the T. sessile has 12 distinct segments Their antennae have 12 segments. The queens lay the eggs which incubate between 11–26 days.
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Salsola stocksii is a sturdy, glabrous or pruinose shrub 25–80 cm tall, its branches are prostrate or ascending. The distinct, sessile, spreading leaves are terete, fleshy, to 5 mm long and 1,5 mm in diameter. The opposite branches spread nearly horizontally. The inflorescences are wide paniculate with 3–12 cm long spike-like branches with numerous flowers.
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Microlomas are perennials. Some are delicate twiners and some are shrublets; Microloma massonii (now = Microloma armatum) is so densely branched, with the branches so spiny at their tips, that the colloquial name is "ystervarkbossie", meaning "porcupine bush". Unlike many of the Asclepiadoideae Microlomas have clear sap without any conspicuous latex. Their leaves are opposite, usually sessile and simple.
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The antenna white ringed fuscous from base to beyond half length of flagellum. Only reliably identified by dissection and microscopic examination of the genitalia. The moth flies from July to August depending on the location. The larvae feed on sweet chestnut (Castanea sativa), sessile oak (Quercus petraea), pedunculate oak (Quercus robur) and northern red oak (Quercus rubra).
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The flower buds are arranged in groups of seven in leaf axils on a peduncle up to long, the individual buds sessile. Mature buds are crowded together, oval, green to yellow, long and wide. Flowering occurs from November to May and the flowers are white. The fruit are woody hemispherical capsules crowded together and flattened on one side.
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Most crustaceans are free-living aquatic animals, but some are terrestrial (e.g. woodlice), some are parasitic (e.g. fish lice, tongue worms) and some are sessile (e.g. barnacles). The group has an extensive fossil record, reaching back to the Cambrian, and includes living fossils such as Triops cancriformis, which has existed apparently unchanged since the Triassic period.
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Diagram of an apothecium showing sterile tissues as well as developing and mature asci An apothecium is a wide, open, saucer-shaped or cup-shaped fruit body. It is sessile and fleshy. The structure of the apothecium chiefly consists of three parts: hymenium (upper concave surface), hypothecium, and excipulum. The asci are present in the hymenium layer.
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In 1998, the government of France created the Perche Regional Nature Park (Parc naturel régional du Perche – see :FR:Perche (région naturelle)). The park is forested mostly by beech, birch, chestnut, oak (especially sessile and pedunculate species), as well as conifers (especially Douglas fir and pine species) populated by wildlife including boar, buzzard, deer, squirrel, woodcock and woodpecker species.
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The species of Allenrolfea are subshrubs or shrubs with erect or decumbent growth. The stems are much branched, succulent, glabrous and appear to be articulated. The alternate leaves are sessile and stem-clasping, fleshy, glabrous, their blades reduced to small, broadly triangular scales, with entire margins and acute apex. The inflorescences are terminal spikes with spirally arranged flowers.
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The floral cup is sessile, silky hairy and long. The sepals are triangular, about long, the petals about long and the stamens about long. Flowering occurs from September to December and the fruit is a capsule about wide and silky hairy with the remains of the sepals attached, but which falls off soon after releasing the seeds.
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The pink primrose has glabrous (smooth) to pubescent stems that grow to in height. The pubescent leaves are alternate with very short or no petiole (sessile), reaching long to broad. They are variable in shape, from linear to obovate, and are toothed or wavy-edged. It produces single, four-petaled, cup-shaped flowers on the upper leaf axils.
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Fertile hybrids with Quercus robur named Quercus × rosacea are found wherever the two parent species occur and share or are intermediate in characters between the parents. Charles Darwin, in Chapter II of On the Origin of Species, noted that the sessile and pedunculate oaks had been described as both distinct species and mere varieties depending on the authority consulted.
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Typically they feed on small crustaceans, insects and annelids. Hydra viridissima is often known as the green hydra, the species appears green because of the symbiotic relationship with Chlorella vulgaris, which is a green alga that lives within the organism. Hydra are normally sessile and live on aquatic vegetation. They secrete mucous to attach using their basal disc.
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Corymbia dunlopiana, commonly known as Dunlop's bloodwood, bongonyin, or Oenpelli bloodwood is a species of tree that is endemic to the Northern Territory. It has rough bark on the trunk and branches, a crown of sessile, juvenile leaves arranged in opposite pairs, flower buds solitary or in groups of three, red flowers and urn-shaped fruit.
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It has a coconut, celery or fresh wood aroma, that can be detected by humans at the concentration of 1 μg/L in air.Eric Masson, Raymond Baumes, Christine Le Guernevé, and Jean-Louis Puech (2000) Identification of a Precursor of β-Methyl-γ-octalactone in the Wood of Sessile Oak (Quercus petraea (Matt.) Liebl.). J. Agric.
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Instrument package (LOBO, Satlantic, Inc., Halifax) treated with e-paint, copper foil and copper cladding to prevent colonization by barnacles and other sessile animals. The River, Estuary, and Coastal Observing Network (RECON) is a pioneering waterway observing system founded and maintained by Sanibel- Captiva Conservation. RECON is funded primarily by private donations to SCCF's Marine Laboratory.
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The ovaries are superior and sessile with three (four in Beauverdia) carpels and locules (four in Beauverdia) and septal nectaries. The number of ovules is either 2, 4 or 30 per locule, arranged in two rows. The style is apical and persistent. The stigma has three (four in Beauverdia) lobes, or is trifid, and is papillose.
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Hypericum balearicum is a shrub or small tree tall, usually forming a rounded bush with erect or ascending branches. Its stems are glandular and warty, yellow-green when young, becoming reddish-brown as it ages. The leaves are sessile, up to long and broad. The leaves have rounded tips, undulate margins, and broadly cuneate to rounded bases.
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King angelfish primarily inhabit the middle and bottom of the water column of rocky tropical reefs, including in the larger crevices between rocks, and juveniles can occasionally be found in tide pools. They are diurnal and feed on sponges, other sessile invertebrates, zooplankton, and certain species of benthic microalgae. King angelfish also clean scallop hammerhead sharks.
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The surface is either smooth or sparsely covered in rough hairs with a network of prominent raised veins. The leaf underside has curled or wrinkled brownish hairs completely covering the leaf blade. The leaf stipules are narrowly egg-shaped, generally hairy and long. The sessile inflorescence consists of 1 or 2 mauve flowers on a stalk long.
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Marine environments are considered more biologically diverse than terrestrial environments. Thirty-two different animal phyla are represented in the oceans of the 33 recognized phyla. Fifteen different phyla are represented only in marine environments, while only 1 is exclusively terrestrial. Marine phyla also contain functionally unique organisms such as filter feeders and sessile organisms which have no terrestrial counterpart.
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Cubozoans follow a life cycle that alternates between young benthic sessile polyps and adult motile pelagic medusae. The cycle begins with a planula larvae. This planula will continue to swim until it finds a substrate that it can use as support. Once the planula attaches to a substrate like a coral reef or rock, the organism will morph into a polyp.
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The stem ranges in colour from green to red. Leaves are sessile and coriaceous in texture. The lamina (leaf blade) is obovate, measures up to 31 cm in length by 3 cm in width, and is around 0.5 mm thick. Its apex is acuminate and it is attenuate at the base, clasping the stem for around three- quarters of its circumference.
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The 'Cumberland Plain form' grows on heavier Cumberland Plain soils in Sydney's northwest around Richmond and Blacktown. It is a shrub to 30 cm (12 in) high with small round leaves and sessile flower heads. It has a lignotuber, from which it resprouts after fire. The 'large- leaved form' is found from Botany Bay and the Georges River south to Mittagong.
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The floral bracts are 10-12 mm long and have sessile pedicels. The radially symmetric flowers are 35-65 mm long, with hairy perianths, are white to cream, with six roughly equal tepals. There are six stamens, all at one level, having filaments which are 7-8 mm long. The anthers have no appendages and are 5.5-5.7 mm long.
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This starfish is gregarious and a predator. Although it has been recorded in Chile as feeding on twenty-eight different species of invertebrate, the majority of these were sessile organisms. It was not found to engage in cannibalism of its own species or to feed on other species of starfish. Many individuals were found to have missing or regenerating arms.
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Their sessile fruit, usually in pairs, grow from the segment joints. They are ellipsoid berries of 6-7 mm in diameter, that are warty when young but smooth and orange when ripe. The species is vegetatively similar to V. anceps and artificially resembles the Asian species V. dichotomum. Male inflorescences and fruit are required to separate it from V. shirense and V. cylindricum.
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Little Haven is a 37.2 hectare nature reserve in Thundersley in Essex. It is owned by the Little Haven Children's Hospice, and leased to the Essex Wildlife Trust (EWT). This site has diverse habitats of woodland, meadows, scrub and hedges. The main trees are sessile oaks, hornbeams and sweet chestnut, and plants such as wood sorrel and are indicators of ancient woodland.
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Several small streams go through the site, tributaries of Decoy Brook, itself a tributary of the River Brent. The tree canopy is mainly sessile oak, with some pedunculate, oak, hornbeam, sycamore and a few wild service-trees. There is a rich variety of species in the understorey, including rowan, Midland hawthorn and hazel. In the spring there are carpets of bluebells.
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Androsace vitaliana is a cushion- or mat-forming plant reaching up to or more across. Its leaves are arranged in rosettes, each leaf being long and usually greyish green in colour. The flowers are usually unstalked (sessile) and are bright yellow in colour. They consist of a tube about or more long with five lobes reaching across when fully open.
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The leaves may be either sessile—growing directly from the stem—or petiolate—growing from a leaf-stalk. They are typically confined to the apices of branchlets, branches, or the trunk. In most species, leaves range from slightly hairy to smooth on top and densely hairy to smooth beneath. Leaf shape varies, but, in all but one species, upcurving secondary veins are apparent.
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The Udin Woods seen from Mount Križe (Kriška gora) The Udin Woods () is one of the oldest glacial terraces in the Ljubljana Basin. It is a contiguous wooded area clearly delineated from its surroundings. The woods is dominated by Scots pine, and deciduous trees include sessile oak, hornbeam, and beech. It has natural value in terms of its botanical features, terrain, and geomorphology.
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Eucalyptus tenuiramis is a tree that typically grows to a height of and forms a lignotuber. It has smooth white to grey or yellowish bark. Young plants and coppice regrowth have sessile, egg-shaped leaves that are long, wide and arranged in opposite pairs. Adult leaves are broadly lance- shaped to elliptical, long and wide, tapering to a petiole long.
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Eucalyptus gunnii is a tree that typically grows to a height of and forms a lignotuber. It has smooth, mottled, white or grey bark, sometimes with persistent rough bark on the lower trunk. Young plants and coppice regrowth have sessile leaves arranged in opposite pairs. The juvenile leaves are heart-shaped to more or less round, greyish green or glaucous, long and wide.
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P. conzattii with prey Pinguicula conzattii is a perennial rosetted herb bearing stiff, ground-hugging rotund 28–50 mm. (1-2 in.) long leaves borne on 10–20 mm. (⅜–⅞ in) petioles. These are densely covered with stalked mucilaginous and sessile digestive glands, which serve to trap and digest insect prey and absorb the resulting nutrient mixture to supplement their nitrate-low environment.
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The trophophore is located high on the common stalk, but the common stalk is subterranean, giving the impression that the leaf originates near ground level. Sporophore is once to thrice pinnate, with the tip recurved in vernation, sessile or short- stalked, equalling or surpassing (1 to 1½ times) the sterile blade, but with the stalk shorter than the trophophore; extremely compact sporangial cluster.
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It is a small to medium-sized tree up to high with a dense, rounded canopy and drooping branchlets. The spongy bark is white or light brown and peels off in large strips. The leaves are sessile, long and wide. They are slightly twisted, have sharply-pointed tips, are arranged alternately on the branchlets and have between 15 and 30 veins.
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The Serpulidae are a family of sessile, tube-building annelid worms in the class Polychaeta. The members of this family differ from other sabellid tube worms in that they have a specialized operculum that blocks the entrance of their tubes when they withdraw into the tubes. In addition, serpulids secrete tubes of calcium carbonate. Serpulids are the most important biomineralizers among annelids.
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Lobarias are primarily found growing upon tree bark. The type of tree is important with deciduous angiosperms strongly preferred to gymnosperms. Within these angiosperms, rough barked mature trees with relatively high bark pH such as oaks or maples are a more suitable substrate than smooth-barked species such as birches. In the UK sessile oak (Quercus petraea), pedunculate oak (Q.
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Eucalyptus houseana is a tree that typically grows to a height of and forms a lignotuber. It has smooth bark, pale pink at first, white to grey and powdery later. Young plants and coppice regrowth have stems that are more or less square in cross section and sessile leaves arranged in opposite pairs. The juvenile leaves are egg-shaped, long and wide.
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Fruiting bodies annual and sessile (without a stipe) or pseudostipitate (very small stipe). Fruiting bodies found growing on trunks or root flares of living or dead hardwood trees. Very common taxon, being found in practically every state East of the Rocky Mountains within the United States. Mature fruiting bodies are laccate and reddish-brown, often with a wrinkled margin if dry.
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Leaves are sessile and coriaceous in texture. The lamina (leaf blade) is lanceolate-elliptic in shape and reaches 8 cm in length by 1 cm in width, being widest in its distal half. The lamina has an acute apex and is shortly attenuate at the base, clasping the stem for approximately one-third of its circumference. It is not decurrent down the stem.
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It was also observed to mimic sessile animals such as small sponges, tube-worm tubes, or colonial tunicates. The octopus may be able to intelligently use its mimicry based on the situation. For example, an octopus which was being harassed by damselfish mimicked a banded sea snake, a damselfish predator. It decides which mimicry behavior would be most appropriate and acts upon it.
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The Forest Recreation Ground supports many important habitats and species. Mature trees include turkey oak, English elm, English oak, sessile oak, rowan, silver birch, common lime and horse chestnut. Additionally, there have been more recent plantings of London plane, beech, various maples and silver lime. Perennials include autumn crocus, spring crocus, bluebell, ramsons, primrose, wild privet, hazel and guelder rose.
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A. petasus is found on the coasts of north west Europe, the range extending from Scandinavia south to Britain. It typically occurs at depths of . It is a more northerly species than Antedon bifida and displaces it in deeper waters. It can be found clinging to rocks and boulders, kelp and sessile invertebrates with its clawed cirri, preferring positions with a strong current.
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The base of the leaf is rigid and nearly sessile, attached to the stem with a short and flat petiole. Dimensions are roughly 25–40 mm long and 8–12 mm wide. Leaf margins are entire, and flat to slightly recurved. Prominent venation can be seen on the abaxial sides of some leaves (3-5 veined), but this is indistinct on others.
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Dryopteris aemula grows as a crown of fronds arising from a short ascending rhizome. The rachis is dark purple-brown with red-brown lanceolate scales. Leaves are tri-pinnate, triangular-ovate or triangular-lanceolate, 15–60 cm long, often arching, semi- evergreen and pale yellow-green. Scattered small sessile glands grow on the underside or both surfaces of the fronds.
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The floral cup is covered with silky hairs, long and sessile or on a very short pedicel, and the sepals are triangular and covered with soft hairs. The petals are more or less round and there are thirty to forty stamens. The fruit is a capsule that is fleshy and succulent at first, long and wide with the remains of the sepals attached.
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Mature buds are glaucous, conical and warty, long and wide with two ribs along the sides and a flattened operculum that has a central knob. Flowering mainly occurs between January and March and the flowers are white. The fruit is a woody, sessile, hemispherical to conical capsule long and wide with two longitudinal ridges and the valves at about rim level.
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Dampiera alata is a perennial herb growing up to 40 cm, with no surface covering except on the inflorescence. The stems are flat and winged, and 3 to 13 mm wide with distinct ribs on each wing's margin. The leaves are sessile (i.e., not on stalks) and the leaf blades are 18 to 49 mm by 3.5 to 16 mm.
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Caeo Forest covers much of the southern flanks of the hill and smaller forests also cover its eastern slopes. Much of the native woodland consists of sessile oak groves, especially on the valley sides.Ordnance Survey 1:25,000 scale Explorer map sheet 187 Llandovery/Llanymddyfri The human population is very low, being restricted to hill farms engaged in sheep farming, and some holiday cottages.
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Venerids are generally thick-valved, equal-valved and isomyarian (that is, their adductor muscles are of equal size). Three main hinge teeth are characteristic of the subclass Heterodonta, to which this order belongs. Many species are active rather than sessile. However, they tend to be filter feeders, feeding through paired siphons, with a characteristic folded gill structure adapted to that way of life.
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Dampiera dentata is a perennial herb growing up to 40 cm, with no surface covering except for the inflorescence. The basal leaves are stalkless (sessile) and conspicuously toothed. The leaf blade is 5-16 cm by 3-15 mm. The flowers are stalkless, and arranged in heads which lengthen into spikes which are up to 15 cm long when in fruit.
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A russet potato with sprouts The bean pods of the mesquite (above) can be dried and ground into flour, adding a sweet, nutty taste to breads A maple syrup tap Several large pumpkins Acorns of sessile oak. The acorn, or oak nut, is the nut of the oaks and their close relatives (genera Quercus and Lithocarpus, in the family Fagaceae).
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They are typically dominated by sessile oak, which favours the acidic soils of the sandstone mountains. The woods have Annex I status in the EU Habitats Directive because of their diverse and rich flora, most notably their bryophytes (mosses and liverworts). The oak woodlands typically have an understory of holly (Ilex aquifolium). Strawberry trees (Arbutus unedo) are a notable part of these woods.
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Boronia quadrilata is a species of plant in the citrus family Rutaceae and is endemic to a small area in the Northern Territory, Australia. It is an erect, glabrous shrub with simple, sessile, wedge-shaped leaves, pale yellow petals and green sepals that are longer and wider than the petals. It is only known from a population of about fifteen plants.
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Eucalyptus cunninghamii is a mallee that typically grows to a height of and forms a lignotuber. It has smooth grey bark, often with insect scribbles, that is shed in ribbons. Young plants and coppice regrowth have sessile, linear to narrow lance-shaped leaves long and wide. Adult leaves are glossy green, linear to narrow lance-shaped, long and wide on a petiole long.
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There are many stamens, mostly 16 to 60, arranged in two separate whorls, the outer one with stamens alternating with petals, the inner one opposite, or numerous in the subfamily Papaveroideae. The gynoecium consists of a compound pistil with 2 to 100 carpels. The ovary is superior and unilocular. The ovary is either stemless (sessile) or on a short stem (stipitate).
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The spreading and prickly shrub typically grows to a height of . It has glabrous to subglabrous branchlets with a light grey coloured epidermis and spinose long stipules. The sessile, patent, rigid green phyllodes have a slightly inequilaterally narrowly oblong to narrowly oblong-elliptic or lanceolate shape that is sometimes linear. The phyllodes are in length and wide with a prominent midrib.
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The terminal leaflet may have a petiole or may be sessile. Its margin is sharply toothed on the distal half or third and its tip is pointed. Lateral leaflets may have a single lobe. The flower has no petals but 5 to 7 petal-like sepals in any of several colors, usually blue or purple but sometimes reddish, pink, white, or bicolored.
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The upper leaves are smaller, lanceolate and sessile, almost embracing the stem. The flowers are arranged in a racemose inflorescence of extremely long-lasting blooms. These attractive bell-shaped flowers are short-stalked, large and hermaphroditic, with different shades of violet-blue or rarely white. The corolla has five fused petals with lightly bent lobes (known as a coronate flower type).
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Eremophila resiliens is a shrub that typically grows to high and wide. Its branches are grey with long, woolly hairs. The leaves are arranged alternately, clustered near the ends of the branches, sessile, grey, covered with woolly hairs, lance-shaped to egg-shaped, long and wide. The flowers are borne singly in leaf axils on a straight, woolly pedicel long.
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Flindersia collina is a tree that typically grows to a height of . Its bark is shed in oval flakes leaving shallow depressions. The leaves are arranged in more or less opposite pairs and are usually pinnate with between three and seven elliptical to egg-shaped leaflets with the narrower end towards the base. The leaflets are mostly long and wide and sessile.
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Spiranthes spiralis, commonly known as autumn lady's-tresses, is an orchid that grows in Europe and adjacent North Africa and Asia. It is a small grey- green plant. It forms a rosette of four to five pointed, sessile, ovate leaves about in length. In late summer an unbranched stem of about tall is produced with approximately four sheath-shaped leaves.
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Although adult sponges are fundamentally sessile animals, some marine and freshwater species can move across the sea bed at speeds of per day, as a result of amoeba-like movements of pinacocytes and other cells. A few species can contract their whole bodies, and many can close their oscula and ostia. Juveniles drift or swim freely, while adults are stationary.
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The species of Krascheninnikovia are erect subshrubs or shrubs. The plants are densely covered with dendroid stellate hairs and additionally with simple, unbranched hairs. The alternate leaves stand solitary or grouped in fascicles, and can be petiolate or nearly sessile. The flat, non-fleshy leaf blades are linear to narrowly lanceolate to ovate, with entire margins, and truncate, cuneate, rounded, or subcordate base.
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Pterostylis pyramidalis has 3 or 4 leaves bunched near the base and 6 or 7 scattered up the flower stalk, with those near the base having a petiole (stalk) and those further up sessile (stalkless). The leaves are long and . The flower stem is tall, tall and smooth. The flowers appear from August to October and are green and white, .
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S. roeselii is found in still or slow-moving bodies of water, where it feeds on bacteria, flagellates, algae, and other ciliates. When feeding, the cell is fixed in place (sessile), attached by a posterior "holdfast" organelle to a firm surface such as plant stem or submerged detritus. Attached specimens are trumpet-shaped, and very contractile. When swimming freely, cells are compactly ovoid.
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Leaves are coriaceous and sessile. The lamina is linear, lanceolate or spathulate-lanceolate in form and up to 20 cm long by 5 cm wide. It has an acute or obtuse apex that may rarely be sub- peltate. It is gradually attenuate towards the base, becoming partly amplexicaul (clasping the stem for one-third to half of its circumference) and, rarely, slightly decurrent.
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Carex trinervis is a species of sedge which is native to Europe. It is a perennial herb, which grows to a height of 40cm, has glaucous leaves and spreads by stolons. It bears 2-3, sessile, oblong inflorescences per shoot.Tela Botanica - Carex trinervis It is found in sandy marshes, damp dune slacks and heaths in coastal areas of Western Europe.
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The dominant tree species in the forest are sessile oak, pine and sweet chestnut. Among the other trees present are pedunculate oak, cork oak, alder, hornbeam, lime, service tree, ash, Nordmann fir, red oak and Scots pine.See the Official website of the Syndicat Mixte pour l'Aménagement de la Forêt de Bouconne. It is home to wild boar and roe deer.
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Nepenthes bellii is a climbing plant growing to a height of 2.5 m and occasionally even 10 m. The stem, which may be branched, often scrambles through vegetation but may also grow prostrate along the ground. It is terete or slightly angular and up to 5 mm in diameter, with internodes up to 2 cm long. Leaves are coriaceous and sessile.
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The florets have four stamens each, set high in the tube, and sticking out. Each fruit has just one seed. In a few species the heads are sessile but in most species they are borne singly on a tall peduncle. Scabiosa species and varieties differ in the colours of their flowers, but most are soft lavender blue, lilac or creamy white.
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Nepenthes ovata is a climbing plant. The stem grows to 5 m in length and 6 mm in diameter. Internodes are cylindrical and up to 15 cm long. rosette plant with a lower pitcher Leaves are coriaceous in texture and sessile to broadly sub-petiolate. The lamina is lanceolate-spathulate and reaches 12 cm in length and 4 cm in width.
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Parnassias are often grown as curiosities for their unique and prominent staminodes. Further examination reveals additional oddities. The lowest leaves on the stem appear to be sessile, but in fact the petiole is adnate to the stem and embedded in it. The conductive vessels that enervate the leaf depart from those of the stem far below where the leaf is attached.
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However, the extent of the variation of the Indochinese species is unknown, making them difficult to circumscribe. Nepenthes thorelii is also allied to N. bokorensis of Cambodia, from which it differs in several aspects of vegetative morphology. Firstly, the lamina of N. bokorensis is sessile to sub-petiolate and only slightly decurrent down the stem, if at all.Mey, F.S. 2009.
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When the plant has bark it is a dark grey color. The leaves are sessile and are elliptical to oblong and are paler beneath the leaf. The lower ones are eventually deciduous. The leaves have laminar glands that are arrayed in short lines or streaks or dots, and their ventral glands can be dense or sparse varying from plant to plant.
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The leaves are , opposite, sessile, linear or lanceolate, and slightly crenulated. The flowers are bicolored, born in opposite arrangement on spikes long coming off a peduncle long. Color ranges from white to pale lavender with the upper corolla lip pale violet or white, arching over the lower lip mottled in dark purple. The lateral lobes are unadorned or slightly blushed.
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Bark is grey or brown, somewhat corky and rough with various irregularities; such as horizontal lines and vertical cracks. Leaves are practically sessile, the leaf stalks less than 5 mm long. Leaves alternate, toothed on young plants, wavy edged and relatively stiff. Reverse lanceolate to oblong or egg shaped; 3 to 8 cm long, not usually with a tip at the point.
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The primary type is the sessile trophont stalked zooid. When environmental conditions deteriorate the stalked zooid excises its stalk and transforms into Vorticella's secondary type, the motile dispersive telotroch. When the telotroch finds suitable environs it reattaches to the substrate and transforms back into a stalked zooid. The cell body of this species is 50-95 μm long and 35-53 μm wide.
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Buds are ovoid, acutish, with many imbricate, dark brown scales. They diverge at a 45 degree angle from the stem. The staminate flowers are shortly pedicellate and approximately 3mm in diameter, clustered in the axils of the lower leaves. The pistillate flowers are solitary or few in axils of the upper leaves, sessile and usually about 1.5 mm in diameter.
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Fruiting bodies are typically sessile, corky, slightly tomentose to glaborose. on fallen hardwood logs, but can be on coniferous trees as well. These fungi live in diverse habitats, but are typically located near a source of water. Pileus length x width x height (thickness) can range from 1–9 cm (l) x 1–7 cm (w) x 0.2–2 cm (h).
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Cola-nut gallsDarlington, Arnold (1975) The Pocket Encyclopaedia of Plant Galls in Colour. Pub. Blandford Press. Poole. . P. 155. develop as a chemically induced distortion of leaf axillary or terminal buds on pedunculate oak (Quercus robur) or sessile oak (Quercus petraea) trees, caused by the agamic gall wasp Andricus lignicola (Hartig, 1840) which lays single eggs within leaf buds using their ovipositor.
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While the stalks of each single flower in the flower clusters called pedicels, are thin and often sessile. The whorl of bracts beneath the inflorescences is called involucre. It consists of phyllaries, modified bracts, which are linear-lanceolate or linear and 1–2 cm long. It also consists of smaller young phyllaries, which are glabrous and 5–15 mm long.
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Liatris bracteata grows from rounded corms that produce hairless, tall stems. The flowers are in loose heads that are widely spaced from each other on the stem. The heads have no stems (sessile) and are arranged in a spike-like collection. The foliage is dotted with glands and the basal and cauline leaves have one nerve and are linear in shape.
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The flowering stem (scape) is shaded dark maroon or magenta on the lower half, with similarly coloured marks on the upper half. Individual flowers are slightly sweetly scented, with greenish white tepals up to long. The upper flowers have up to long pedicels, the lower ones are sessile. The inflorescence is topped by a head or "coma" of 9–16 bracts long.
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These provide much of the organic carbon needed by the fire coral. The reproduction of fire corals is complex and involves an alternation of asexual and sexual generations. The encrusting parts of the coral expand by the growth of stolons, and the edges of blades expand by sympodial growth. Sexual reproduction involves a sessile polyploid stage and the budding off of planktonic medusae.
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Hemlock (Tsuga) and hickory (Carya) became extinct during the Quaternary glaciations in Central Europe. In addition, of the numerous oak species only three were able to return to Germany and Central Europe from their refuge areas, namely the English oak (Quercus robur), sessile oak (Q. petraea) and downy oak (Q. pubescens). By comparison, in North America there are over 80 species of oak.
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Hypericum reflexum is a species of plant in the St. Johns wort family, Hypericaceae, endemic to the Canary Islands. It is a small shrub up to in height with opposite, sessile leaves up to long and across. The flowerheads produce 5–40 bright yellow flowers with five petals each. Hypericum reflexum was described in 1782 by Carl Linnaeus the Younger.
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The basidia, the spore-bearing cells, are club-shaped with long stalks. They typically hold 4 spores that are sessile, that is, attached directly to the surface of the basidium, rather than by a short stalk (a sterigmata). Spores measure about 15 to 20 μm long by 8 to 12 μm wide. They are elliptical, smooth, hyaline, and notched at one end.
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Prostanthera florifera is a more or less densely-branched shrub that typically grows to a height of high with densely hairy branches. The leaves are thick, linear to narrow oblong long and wide and sessile. The flowers are arranged near the ends of branchlets, each flower on a pedicel long. The sepals are long and form a tube long with two lobes long.
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The fungus is characterized by fruit bodies that are annual, sessile, fan-shaped, dimidiate, or semicircular. The cap surface is smooth, yellowish-brown, and has concentric parallel grooves. Fresh specimens have a rose to pink margin around the pore surface; the pores are round, numbering 3–4 per millimetre. D. hainanensis has a trimitic hyphal system, and the generative hyphae have clamp connections.
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Life in the Ediacaran Period The Ediacaran (; formerly Vendian) biota is a taxonomic period classification that consists of all life forms that were present on Earth during the Ediacaran Period (ca. 635–542 Mya). These were composed of enigmatic tubular and frond-shaped, mostly sessile, organisms. Trace fossils of these organisms have been found worldwide, and represent the earliest known complex multicellular organisms.
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Pectinariids are sessile burrowing tube dwellers, which can be found in fine- grained sediment. They position the wider end of their tube downwards, and use their stout golden setae for digging while they use tentacles for sorting the particles which they ingest. Half of the particles which the worm digs through are excreted as pseudofaeces.Fauchald, K., & Jumars, P. A. (1979).
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The fruit bodies may either have no stalk (sessile), or be atop a stalk. The stalk, made of thick, intertwined and fused cords of hyphae, is hygroscopic, and will expand upon absorbing moisture. The spore mass in the head, the gleba, is pale, and initially has thick-walled skeletal hyphae called capillitia. Clamp connections are present in the fungal hyphae.
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Eggs, Collection Museum Wiesbaden This is a bird of open but shady mature woodlands, such as beech and sessile oak, with some sparse ground cover for nesting. The dome-shaped nest is built near the ground in low shrub. 6 or 7 eggs are laid in May; there may be a second brood. Like most Old World warblers, this small passerine is insectivorous.
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Trillium stamineum is a perennial herbaceous plant that spreads by means of underground rhizomes. The plant has three sessile bracts (leaves) arranged in a whorl about a pubescent scape (stem) that rises directly from the rhizome high. The ovate leaves, long by wide, are bluish- green with strong mottling that fades with age. T. stamineum flowers between March and May, depending on latitude.
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The spreading prostrate shrub typically grows to a height of with a sprawling habit. The multistemmed shrub has quite slender branches with a length of up to It has glabrous or slightly hairy, green coloured branchlets that have fine yellow-coloured ribbing. Like most species of Acacia it has phyllodes rather than true leaves. The sessile and evergreen phyllodes are pointing backwards.
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Boronia zeteticorum is a semi-prostrate shrub with many branches and that typically grows to about long. Its branches, leaves and some flower parts are covered with sessile, star-like hairs. The leaves are simple, elliptic, long and wide on a petiole about long. The flowers are arranged singly in leaf axils on a hairy pedicel about long with prophylls about long.
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There are male and female sexes of C. bella. These gonochoric crinoids shed their ova or sperm from ruptured pinnules into the water. After fertilisation, their embryos grow into larvae that later sink to a substrate surface, like gorgonian coral. The growing larvae, once attached to a surface undergoes metamorphosis into a small crinoid and remains mostly sessile during growth.
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Lepidium virginicum is an herbaceous annual or biennial. The entire plant is generally between 10 and 50 centimeters tall. The leaves on the stems of Virginia pepperweed are sessile, linear to lanceolate and get larger as they approach the base. As with Lepidium campestre, Virginia pepperweed's most identifiable characteristic is its raceme, which comes from the plant's highly branched stem.
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Bullock Wood is a 23.3 hectare biological Site of Special Scientific Interest on the northern outskirts of Colchester in Essex. The site is mature coppice with a wide variety of trees. The main woodland type is hazel and sessile oak, which is rare nationally. The understorey is mainly coppiced hazel, and the ground flora is dominated by bramble and bracken.
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Andricus quercuscalicis (Burgsdorf, 1783) (Hymenoptera: Cynipidae)the first identification of the species. is a small gall wasp with an obligate two-phase life-cycle that requires both pedunculate oak (Q. robur L.) (or occasionally sessile oak Q.petraea L.) and Turkey oak (Quercus cerris L.). Therefore, as with most oak gall wasps, this species has alternate sexual and parthenogenetic (all female) generations.
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Leptospermum barneyense is a shrub that typically grows to a height of and has rough, fibrous, grey bark on the stem and branches. Young branchlets are glabrous with conspicuous flanges. The leaves are arranged alternately, more or less sessile, the same colour on both surfaces, lance-shaped, long and wide. The lower side of the young leaves are hairy near their base.
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Leptospermum anfractum is a spreading shrub that typically grows to a height of and has a trunk and branches that are smooth, twisted and contorted. The bark is white when new but ages to purplish. The leaves are arranged alternately, more or less sessile, linear in shape, paler on the lower surface, long and wide. The lower side of the leaves is hairy.
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The flower buds are arranged in groups of seven on a peduncle long, the individual buds sessile or on a pedicel up to long. Mature buds are oval, long, wide with a rounded operculum. Flowering occurs between March and September and the flowers are white. The fruit is a woody cup-shaped, bell- shaped or conical capsule long and wide.
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Prostanthera campbellii is an erect shrub that typically grows to a height of . The leaves are linear, yellowish green, long, wide and sessile. The flowers are arranged singly in two to sixteen upper leaf axils, each flower on a pedicel long. The sepals are green and form a tube long with two lobes, the lower lobe long and the upper lobe long.
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On the lower, left valve, cyclostome and cheilostome bryozoans predominated. Starfish seem equally able to force open the valves of a scallop with barnacles on it as one with none. Barnacles are normally sessile animals unable to evade predators. When they are attached to a scallop they benefit from the defence response of the mollusc to threats which enables it to avoid predation.
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Bird life has been noted in the area of its summit, indicating that it is a prime fishing ground. For the complete known species inventory of Cobb Seamount, see Du Preez et al., 2015. The summit of the volcano is dominated by a carpet of Hinnites multirugosus, which forms the base of a dense ecosystem of sponges and other small, sessile organisms.
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The prickly shrub typically grows to a height of and can have an erect or sprawling habit. It has hairy and terete branchlets with persistent stipules that are up to in length. Like most species of Acacia it has phyllodes rather than true leaves. The evergreeen, sessile to subsessile phyllodes can be patent to inclined with an inequilaterally ovate to lanceolate shape.
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Eucalyptus ignorabilis is a tree that typically grows to a height of and forms a lignotuber. It has rough, fibrous, spongy bark on the trunk and branches. Young plants have sessile leaves at first, the leaves lance-shaped to oblong or curved, dull green, long and wide. Adult leaves are lance-shaped to curved, long and wide on a petiole long.
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The flower buds are arranged in leaf axils in groups of seven on a flattened, unbranched peduncle long, the individual buds sessile. Mature buds are oblong to club-shaped, long and wide with a conical, hemispherical or beaked operculum. The flowers are white and the fruit is a hemispherical to cylindrical, ribbed capsule long and wide with the valves protruding.
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The Zisman plot the graphical method of the Zisman theory or the Zisman method for characterizing the wettability of a solid surface , named for the American chemist and geophysicist, William Albert Zisman (1905–1986). It is a prominent Sessile drop technique used for characterizing liquid-surface interactions based on the contact angle of a single drop of liquid sitting on the solid surface.
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Flower of Carlina corymbosa Carlina corymbosa reaches on average in height. This plant has rhizomatous roots, overwintering buds situated just below the soil surface (hemicryptophyte)Herbario Virtual and an almost leafless stalk growing directly from the ground (scapose). The stem is green to whitish, thick and erect. The leaves are alternate, sessile or amplexicaul and lobed with spines on the margins.
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Plants are dioecious, perennial sub shrubs 0.1–1.5 m tall and form dense colonies. The succulent leaves are opposite and sessile. The small, white flowers of Batis maritima are self- incompatible and the morphology of the pollen indicate that the plant is wind pollinated. Seeds are 1.1 mm long and 0.8 mm wide and have an extreme low weight (0.5 mg/seed).
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The species is endemic to Australia. M. eucalyptoides is pendulous in habit, unlike other Muellerina species, but has the long epicortical runners of all Muellerina species. The leaves are opposite with indistinct venation. Mainly flowering in summer, the inflorescence is terminal, racemose with usually 3–4 opposite pairs of triads of flowers, with the central flower sessile, and the lateral flowers having pedicels.
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The flower buds are arranged in leaf axils on an unbranched peduncle long, the individual buds sessile. Mature buds are glaucous, oval, long and wide with a conical to beaked operculum. Flowering occurs from April to May and the flowers are white. The fruit is a woody, glaucous, cup-shaped capsule long and wide with the valves near rim level.
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Protea sulphurea flower heads are pendulous; they hang upside down. The brightly-coloured involucral bracts are visible in this photograph. The flowers are produced from April to August, densely packed together within large inflorescences. These inflorescences, or more specifically pseudanthia (also called 'flower heads'), are almost sessile (having a very short and indistinct peduncle), and hang downwards towards the ground.
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The leaves are aromatic, simple, opposite (or fascicled), elliptic to obovate or spatulate, 5–10 mm long, with revolute margins. The flowerheads are axillary, sessile, few-flowered, with a strigose calyx; the corolla is whitish, about 2 mm long, four-lobed, and with four stamens. The fragrant foliage and tiny white flowers are highly attractive to pollinators, in particular the Atala butterfly.
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Polyps are either pedunculated (attached to the intestinal wall by a stalk) or sessile (grow directly from the wall). In addition to the gross appearance categorization, they are further divided by their histologic appearance as tubular adenoma which are tubular glands, villous adenoma which are long finger like projections on the surface, and tubulovillous adenoma which has features of both.
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At the end of the peduncle sits the flower, sessile or very nearly so, and surrounded at the base by an imbricate involucre. Very rarely, an involucre may enclose two flowers rather than just one, providing further evidence of reduction from a complex, multi-flowered inflorescence.Nelson (1978): 308–310. Inflorescences occur individually at the end of branches (terminal) or at branch junctions (axillary).
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Plumbago zeylanica is a herbaceous plant with glabrous stems that are climbing, prostrate, or erect. The leaves are petiolate or sessile and have ovate, lance-elliptic, or spatulate to oblanceolate blades that measure 5-9 × 2.5–4 cm in length. Bases are attenuate while apexes are acute, acuminate, or obtuse. Inflorescences are 3–15 cm in length and have glandular, viscid rachises.
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The flower buds are arranged in leaf axils in groups of seven on an unbranched peduncle long, the individual buds sessile or on very short pedicels. Mature buds are oval, long and wide with a rounded to conical operculum. The flowers are white and the fruit is a woody, conical capsule long and wide with the valves protruding above the rim.
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Significant botanical differences from pedunculate oak (Quercus robur) include the stalked leaves, and the stalkless (sessile) acorns from which one of its common names is derived. It occurs in upland areas over with higher rainfall and shallow, acidic, sandy soils. Its specific epithet petraea means "of rocky places". Quercus robur, on the other hand, prefers deeper, richer soils at lower altitude.
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Corymbia aspera is a tree that typically grows to a height of , sometimes to , and forms a lignotuber. It has smooth white, cream-coloured or grey bark, sometimes with flaky, tessellated bark at the base. The branchlets lack oil glands in the pith. Young plants and coppice regrowth have sessile, heart-shaped to egg-shaped leaves, long and wide arranged in opposite pairs.
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The species also have erect and ovate ovary which is long and is reddish-purple in color. Stigma is also erect and dark purple in color but is subulate and fleshy unlike the ovary. The flower is sessile, of a maroon color fading to brown with narrow lanceolate petals. It emits a smell of rotting meat to attract insect pollinators, hence the name.
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Corymbia deserticola is species of straggly tree, a mallee or a shrub that is native to Western Australia and the Northern Territory. It has rough, tessellated bark on the trunk and branches, mostly sessile, heart-shaped leaves arranged in opposite pairs, flower buds in groups of seven on each branch of a peduncle, creamy yellow flowers and urn-shaped to shortened spherical fruit.
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Epidendrum adenoglossum is a sympodial orchid with stems which show no tendency to produce pseudobulbs. The stems are covered with imbricating sheathes, which bear sessile leaves on the upper part of the stem. The fleshy, distichous, linear-oblong obtuse leaves grow up to 15 cm long by 2 cm wide. The elongate, densely many-floweredSchweinfurth: "Orchids of Peru" Fieldiana: Botany 30 p. 405\.
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Fibrous papule of the nose (also known as "Benign solitary fibrous papule," and "Fibrous papule of the face") occurs in adults and is characterized by a dome-shaped, sessile, skin-colored, white, or reddish papule 3 to 6mm in diameter on or near the nose.James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. .
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Corymbia abbreviata is a straggly tree or shrub that typically grows to a height of and forms a lignotuber. It has tessellated, flaky, grey-brown over red-brown bark. The branchlets are silvery to green, smooth, glabrous and lack oil glands in the pith. Young plants and coppice regrowth have sessile, stem-clasping, heart-shaped leaves, long, wide and arranged in opposite pairs.
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Close-up on flowers of Campanula rapunculoides Campanula rapunculoides reaches on average of height, with a maximum of . The stem is simple, erect and lightly pubescent and the leaves are usually shortly hairy. The basal leaves are triangular, narrow, with a heart-shaped or rounded base, jagged edges and are up to long. The upper stem leaves are sessile, lanceolate and shortly stalked.
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It has an obtuse apex, while the base is gradually attenuate, forming a canaliculate, sessile petiole up to 9 cm long. Three longitudinal veins are present on either side of the midrib. Pinnate veins are numerous and run obliquely to the laminar margin. Tendrils are often approximately the same length as the lamina; those bearing upper pitchers are often curled.
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The nature park has rich flora and fauna. Flora The park is the habitat for diverse species of plant. The main trees present are oak (Quercus robur) and hornbeam (Carpinus betulus). Other deciduous trees include sessile oak (Quercus petraea), kasnak oak (Quercus vulcanica) and shrubs are blackberry (Rubus plicatus), butcher's-broom (Ruscus aculeatus), tree heath (Erica arborea) and bay laurel (Laurus nobilis).
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Greater stitchwort can grow up to in height, with roughly 4-angled stems. The long, narrow (lanceolate) leaves are greyish green, hairless, sessile, opposite, and decussate (the successive pairs borne at right angles to each other). The flowers are white, across, with five petals split to about halfway the length of the petal. The sepals are much shorter than the petals.
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Ecological Research Division, ["Ecological Studies for Conservation of Shore Birds in Songkhla Lake"], Office of the National Environment Board of Thailand, 1981. Retrieved 01-05-2016. Many macrophyte populations form dense floating patches on the lake surface providing refuge and habitat for both mobile and sessile organisms.Meksuwan, P., Pholpunthin, P., Walsh, E.J., Segers, H. and Wallace, R., [Doi:10.1002/iroh.
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Each of its fronds has 15 to 25 pairs of leaflets (pinnae) that are either sessile or have short stalks and are 4 to 8 mm in length. The upper leaflets each have one spore-producing sori (sometimes two) on the leaflet under surface that is protected by the indusium, a flap of tissue. The spores are produced in July and August.
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Brachygastra mellifica nest in a tree Nests are always arboreal and sessile. They are made with various plant material consisting of minute chips and long fibres that are chewed and compacted into a paper like material. They are usually a brown or grey colour with a brittle texture. The entrances vary from circular holes or slits, sometimes with multiple entrances arranged chaotically.
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The sessile drop method is also one popular way to measure contact angles by placing a two-dimensional drop on a solid surface and controlling the volume of liquid in the drop. The sessile drop method and the captive bubble method are usually interchangeable in performing experiments since their common property of symmetry. Specifically, the axis of symmetry of the drop and bubble of the two methods makes the contact line of the drop of liquid with the solid surface circular, which therefore creates an observable contact angle in corresponding to each contact radius of the drop and bubble. However, interacting with a rough homogeneous surface in measurements of contact angles, the drop and bubble of the two methods each presents different behaviours in the measuring process, which are related to the volume of liquid and contact angles.
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Equally important for wildlife are the blanket bogs, upland heaths and the oak woodlands which are all of global importance. Dartmoor is a Special Area of Conservation (SAC) with four habitats (Northern Atlantic wet heaths with Erica tetralix; European dry heaths; Blanket bogs and Old sessile oak woods with Ilex and Blechnum in the British Isles) being listed as primary reasons for the selection of Dartmoor as a SAC. In addition the area has a population of the Southern damselfly which is also a primary reason for its selection along with populations of Atlantic salmon and Otter being qualifying reasons. Inside Wistman's Wood in summer Wistman's Wood is one of the old sessile oak woods which contribute to the listing of Dartmoor as a SAC and is possibly a surviving fragment from the earliest Neolithic woodland clearances.
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The advantages of working with an SPMD passive sampler as opposed to a normal field test with an organism are that SPMDs are able to be deployed in extremely toxic waters that might be too toxic for an organism to live in or just not inhabited by sessile filter feeders. The design of the SPMD makes it so that it imitates the process of accumulating contaminants the way a mussel or oyster would, but without the issues of mortality or metabolizing any contaminants that may be present. They can also be deployed for a long period of time and can account for surge runoff events, chemical spills or other abnormal pollution events. The physical structure of a SPMD with its stainless steel covering protects it and allows it to be suspended on a sessile anchor in the water column.
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They are dark green above and pale below and are generally 5 inches long by 1.5 inches wide. The leaves are petiolate with petioles of 0.5 inch length. The Inflorescence consists of a long axillary peduncle which bears short clusters of sweet white-smelling flowers, each cluster supported by a leaf-like bract. The individual flowers are sessile and may be with or without bracteoles.
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The style is a narrow upward extension of the ovary, connecting it to the stigmatic papillae. It may be absent in some plants in the case the stigma is referred to as sessile. Styles are generally tube-like—either long or short. The style can be open (containing few or no cells in the central portion) with a central canal which may be filled with mucilage.
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A development timeline Stichodactyla helianthus is a species of sea anemone (Phylum: Cnidaria) belonging to the family Stichodactylidae. Helianthus comes from the Greek words helios meaning sun, and anthos meaning flower, which corresponds to the species' common name "sun anemone". It is sessile and uses potent neurotoxins for defense against its primary predator, the spiny lobster. The venom contains, among other components, numerous ion channel-blocking peptides.
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Corymbia chartacea is a species of small tree with a weeping habit that is endemic to the Top End of the Northern Territory. It has thick, rough bark on the trunk and branches, a crown of sessile, broadly heart-shaped to broadly elliptical leaves arranged in opposite pairs, flower buds in groups of three or seven, pink or white flowers and urn-shaped to shortened spherical fruit.
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It has eightfold symmetry, with eight spiral arms resembling the comblike rows of a Ctenophore. If it is indeed a Ctenophore, it places the group close to the origin of the Bilateria. The early Cambrian sessile frond-like fossil Stromatoveris, from China's Chengjiang lagerstätte and dated to about , is very similar to Vendobionta of the preceding Ediacaran period. De-Gan Shu, Simon Conway Morris et al.
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Eucalyptus × lamprocalyx is a tree or shrub that is endemic to the Kimberley region of Western Australia. It has tessellated bark on its trunk and branches, sessile, broadly lance-shaped leaves arranged in opposite pairs, flower buds in groups of between seven and eleven and oval or urn-shaped fruit. It is considered to be a natural hybrid between Corymbia cadophora and C. polycarpa.
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Each scale bears two bractlets and three sterile flowers, each flower consisting of a sessile, membranaceous, usually two-lobed, calyx. Each calyx bears four short filaments with one-celled anthers or strictly, two filaments divided into two branches, each bearing a half-anther. Anther cells open longitudinally. The pistillate aments are erect or pendulous, solitary; terminal on the two-leaved lateral spur-like branchlets of the year.
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Habitats may include moist soil, mud and plant roots. This protozoan is ciliated and is mainly found in fresh water environments. They are known to feed on bacteria and can also form extracellular associations with mosquitoes, nematodes, prawns and tadpoles. Vorticella has been found as an epibiont (attached to the surface of a living substratum when in its sessile stage) of crustaceans, the basibiont.
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During its motile form, the free-swimming telotroch appears as a long cylinder, moving quickly and erratically. Stalk materials are secreted in order for the cell to become sessile. Stalk precursors are held in dense granules at the aboral or basal end of the telotroch, which are released as a liquid by exocytosis. That liquid solidifies to form the adhesion pad, stalk matrix and stalk sheath.
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It grows slowly, and can reach 1000 years old. It has broken bark with ashen gray color. Older branches have the same design, fractured and ash color, which gives the tree a grizzled look. The leaves are oval, almost sessile, shining above, and dark green, with seven to 9 leaflets, imparipinnate with petioles a little winged, flowers in racemes lax, the male and female on different trees.
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The genus includes species of trees, and shrubs, with evergreen foliage and inconspicuous flowers. Adenodaphne are dioecious and have mostly smooth, glossy, lauroid type leaves. They are evergreen tree with some species growing to 25 m tall. The inflorescences are consisting in pseudo-umbels (a flat- topped or rounded flower cluster) that are arranged in a raceme, sometimes condensed, or a short-shoot or rarely sessile.
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All sexually reproducing life, including both plants and animals, produces gametes. The male gamete cell, sperm, is usually motile whereas the female gamete cell, the ovum, is generally larger and sessile. The male and female gametes combine to produce the zygote cell. In multicellular organisms the zygote subsequently divides in an organised manner into smaller more specialised cells, so that this new individual develops into an embryo.
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The woodland is between Crackington Haven and Millook and runs for approximately between the coastal path and the shore. Of international importance for its lichen communities, the ″dwarf ″ woodland at Dizzard Point () grows on exposed, unstable cliffs with a canopy dominated by sessile oak (Quercus petraea). Other woodland trees recorded are pedunculate oak (Q. robur), rowan (Sorbus aucuparia) and wild service-tree (S. torminalis).
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Eucalyptus jucunda is a mallee that typically grows to a height of , sometimes a tree to , and forms a lignotuber. It has smooth greyish to creamy brown bark, sometimes with crumbly, fibrous, flaky or ribbony bark at the base. Young plants and coppice regrowth have glaucous, sessile leaves arranged in opposite pairs. The juvenile leaves are egg-shaped to heart-shaped, long and wide.
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A large tree; bark is brown with grey highlights and presents a cracked appearance. Leaves measure × and are elliptic with both ends tapering. Flower petals are white, measuring about across; sepals measure between , narrow at their innermost, and ever broader as they approach the outermost perimeter; carpels are sessile. Fruits measure in length, with many warty yellow follicles each about long, containing 1 to 2 scarlet seeds.
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Epidendrum sculptum has hanging cane- like stems, covered in imbricating sheaths. On the part of the stem away from the roots, these sheaths bear alternate, oblong leaves, up to 5 cm long, which are two-lobed at the distal end. The inflorescence is so short that the three flowers appear to be sessile on the apex of the stem.H. G. Reichenbach "Notulae Orchidaceae", Nr. 8.
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The flower buds are arranged in leaf axils in groups of seven on an unbranched peduncle long, the individual buds more or less sessile. Flowering occurs between December and July and the flowers are white. The fruit is a woody, cup-shaped to conical capsule long and wide with the valves near rim level. The seeds are glossy, reddish brown, flattened oval and long.
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Leaves are sessile and chartaceous in texture. The shape of the lamina (leaf blade) is variable: it may be linear, lanceolate, or slightly elliptic. In the case of rosettes and short stems, the lamina is typically oblanceolate to oblong-elliptic and measures up to 7.5 cm in length by 2.5 cm in width. It has an acute apex and does not exhibit a peltate tendril attachment.
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It is seen most commonly in young adults and teenagers but can occur at any age, with the majority of cases occurring in females. In a clinical point of view, they are sessile or pedunculated, typically ulcerated and erythematous or are similar to the surrounding gingiva in colour. they are usually <2 cm in size. Ossifying fibroid epulis should be excised and examined make a definitive diagnosis.
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Regions of Canada, coastal Asia, Northern and Central Europe have frequent reports of the fungus. Petriella setifera has also been associated with Sessile oak in North-western Poland causing oak decline, and in Ontario cedar swamp soil. Phomopsis and Rosellinia acquila grew with P. setifera when isolated from oak. Nothapodytes nimmoniana and Pinus roxburghii are also possible plant hosts of the fungus, found in the Western Himalayas.
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Members of this order are characterized by asci that typically open by rupturing to form a terminal or eccentric lid or operculum. The ascomata are apothecia or are closed structures of various forms derived from apothecia. Apothecia range in size from less than a millimeter to approximately 15 cm, and may be stalked or sessile. The order includes epigeous, semihypogeous to hypogeous (truffles) taxa.
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Stems are 30–150 cm, slender green, and freely branched, smooth and glabrous (having no trichomes or glaucousness), mostly without spiny wings. Leaves are alternate on the stem with their base sessile and clasping or shortly decurrent. The leaves are very spiny, lobed, and up to 15–20 cm long and 2–3 cm broad (smaller on the upper part of the flower stem).
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Basal leaves are oblanceolate in shape and have petioles. Cauline leaves, those growing along the stem, are ovate to ovate-lanceolate in shape, with alternate attachment to stem, sessile, acuminate at the base, acute at the tip. Leaf margins are entire, or smooth and lacking teeth or serration. Leaf texture is sericeous adaxially (above) and abaxially (below), giving the leaves a silvery-grey appearance.
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Oenothera triloba, with common names stemless evening primrose and sessile evening primrose is a flowering plant in the primrose family. It is native to North America, where it is primarily found in northern Mexico and in the south-central United States. It is found in dry, open areas such as glades, prairies, and sometimes even lawns. It appears to respond positively to soil disturbance.
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The flower is small, with sepals from long and wide and petals from long and wide. The petals are red, maroon, or purple, but yellow-flowered forms devoid of purple pigments have been identified. Due to its small size and uncharacteristic leaf structure (for a trillium), the plant is inconspicuous and easily overlooked. T. petiolatum shows similarities to both T. sessile and T. recurvatum.
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Lotus glaucus is a perennial herbaceous plant, usually forming dense mats, but sometimes somewhat shrubby. The leaves are unstalked (sessile) with five pinnate leaflets. In L. glaucus subsp. glaucus, the two basal leaflets are 1.5–4.5 mm long; a short axis (rhachis), up to 2 mm long, separates the basal leaflets from the other three leaflets, which are 2–8 mm long, longer than the basal leaflets.
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Leaves are sessile (=without petioles), thick and leathery, dark green on upper surface but much lighter below, elliptic to broadly ovate, up to 8 cm long. Peduncles are usually 12–32 mm long, sometimes up to 40 mm. Inflorescence is an elongate raceme up to 40 mm long at flowering time, with 9-27 flowers. Flowers are tubular, greenish-yellow, up to 9 mm long.
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Gompholobium huegelii (Common Wedge-pea) is a scrambling herbaceous plant endemic to the eastern half of Australia . It is a member of the family Fabaceae and of the genus Gompholobium. The leaves have 3 linear leaflets that about 10 mm long and 1 mm wide which are sessile on the more or less procumbent stems. The flowers, which appear in spring, are a uniform clear yellow.
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Spinifex sericeus has branched stolons and rhizomes extending up to . The leaves have a ligule of a rim of dense hairs; the blades are flat and densely silky. The male inflorescence is an orange-brown terminal cluster of spiky racemes subtended by silky bracts. The female inflorescence detaches at maturity, a globose seed head of sessile racemes up to 20 cm in diameter which becomes a tumbleweed.
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The larger species are also quite bold and seemingly fearless; they are known to approach divers. While the majority adapts easily to captive life, some are specialist feeders which are difficult to maintain. Feeding habits can be strictly defined through genus, with Genicanthus species feeding on zooplankton and Centropyge preferring filamentous algae. Other species focus on sessile benthic invertebrates; sponges, tunicates, bryozoans, and hydroids are staples.
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Staminal sheath white, 36–44 mm long, free filaments 6–8 mm; anthers white. Ovary sessile, linear, 8–11 mm long, densely pubescent, trichomes white, ascending-asppressed, to 2 mm long; style 30–43 mm long, flattened, bearded lengthwise, exerted beyond stamens, geniculate 5–6 mm from distal end. Legume subsessile, linear, ecostate, valves puberulent-hirsute, strongly transversed-impressed between the seeds, spirally-twisting dehiscent.
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Artemisia herba-alba is a chamaeophyte that grows to . Leaves are strongly aromatic and covered with fine glandular hairs that reflect sunlight giving a grayish aspect to the shrub. The leaves of sterile shoots are grey, petiolate, ovate to orbicular in outline; whereas, the leaves of flowering stems, more abundant in winter, are much smaller. The flowering heads are sessile, oblong and tapering at base.
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They can be glabrous to more or less densely hairy, and are generally eglandular, meaning they lack glands, though they can sometimes be stipitate-glandular, meaning glands are present on a stipe. The leaves are always alternate. Both basal and cauline leaves, i.e. leaves growing on the stem, are present, and these may be either sessile or petiolate, meaning lacking or having a leaf stalk.
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Botanical illustration of Phacelia dubia (1913)Phacelia dubia has slender ascending stems which are 12 to 30 centimeters long, finely pubescent or smooth, and branched from the base. Its lower and basal leaves are petiolate, 2.5 to 5 centimeters long, and dentate or with pinnatifid lobes. Its upper leaves are sessile, much smaller, and less divided. The flowers are 8 to 11 millimeters broad.
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Ammobium alatum is a species of perennial herb, occasional an annual, that typically grows to a height of with winged, woolly-hairy, usually much- branched stems. Most of its leaves are at the base of the plant and are narrow egg-shaped to narrow triangular. The basal leaves are long and wide on a petiole long. There are a few sessile, bract-like leaves on the stems.
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Surface tension can be automatically calculated from the pendant shape of a liquid droplet. Surface scientists use a goniometer/tensiometer to measure contact angle, surface tension, and interfacial tension. Surface scientists commonly use an optical goniometer/tensiometer to measure the surface tension and interfacial tension of a liquid using the pendant or sessile drop methods. A drop is produced and captured using a CCD camera.
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The leaves have characteristic pellucid dots and are linear to linear-oblanceolate. The leaves are rounded at their tip and narrow towards their sessile or subpetiolar base. The leaves are 1–4 cm long and 1–6 mm wide. Pairs of leaves are spirally arranged but not decussate, and lower leaves become more purplish, smaller, more elliptic, and crowded due to shortening of the internodes.
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An advanced instrument often called a goniometer / tensiometer includes software tools that measure surface tension and interfacial tension using the pendant drop, inverted pendant drop, and sessile drop methods, in addition to contact angle. A centrifugal adhesion balance relates the contact angles to the adhesion of the drop to the surface. A gonioreflectometer measures the reflectivity of a surface at a number of angles.
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Mature buds are glaucous, conical and warty, long and wide with four ribs along the sides and a flattened operculum that has a central knob. Flowering occurs between May and January and the flowers are white. The fruit is a woody, sessile, hemispherical to conical capsule, square in cross-section, long and wide with four longitudinal ridges and the valves at about rim level.
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The inner layer of tissue, the endoperidium, is thin, like a membrane. The spore case enclosed by the endoperidium has no stalk (sessile), and is opened at the top by a tear or pore. Microscopically, sterile cells, long- threaded cells called capillitium originate from the inner surface of the peridium; they are highly branched and interwoven. The spores are large, spherical, minutely warted, and brown.
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B. tokioi has creeping rhizomes (0.5 mm diam.), lacking pseudobulbs. Its fleshy, sessile, glabrous leaves are minute (5–6 mm long by 3-4.5 mm wide), elliptic or elliptic-orbicular, acute or obtuse, some having tiny, membranaceous sheaths at base. It has axillary scapes (1–3 cm long) that are slender and erect, with a few sheaths close by its base. Bracts are elliptic and acute.
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Nepenthes jacquelineae is a climbing plant. The stem, which is usually less than 5 mm thick, grows to 5 m in length and is cylindrical-angular in cross section. Internodes are up to 10 cm long. Leaves are sessile to sub-petiolate and have a coriaceous texture. The lamina is ovate-spathulate in form and grows to 20 cm in length and 6 cm in width.
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Nepenthes lamii reaches a maximum height of around 4 m, although plants growing towards the upper altitudinal limit of this species are greatly stunted shrublets. The stem, which may be branched, is rounded or angular in cross section and has internodes up to 8 cm long. Leaves are thinly coriaceous and sessile. The lamina (leaf blade) is most commonly linear, but may also be lanceolate.
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The Barle Valley, which consists of steep sandstone slopes with acidic soils, contains large areas of ancient upland of Sessile Oak woodland. This woodland is present between and on the valley-side. Over Eighty-five different types of vascular plant species have been recorded in the area, including thirty-one ancient woodland indicators. As well, it features areas of the valley mire, heathland and acidic grassland.
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Chemicals produced by both the adult and developing wasps cause the formation of a gall. Pedunculate oak (Quercus robur), sessile oak (Quercus petraea) and the hybrid Quercus × rosacea can all be parasitized.Redfern M., Shirley P., Bloxham M., British Plant Galls Second Edition, Field Studies Council, Shrewsbury, 2011 The host trees are often immature or retarded specimens; galls are rarer on older, healthier trees.Darlington, Arnold (1968).
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Geastrum fimbriatum, commonly known as the fringed earthstar or the sessile earthstar, is an inedible species of mushroom belonging to the genus Geastrum, or earthstar fungi. First described in 1829, the species has a widespread distribution, and is found in Asia, Europe, and the Americas. It is distinguished from other earthstars by the delicate fibers that line the circular pore at the top of its spore sac.
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Unlike other cnidarians, Crossota norvegica lives its entire life in the planktonic stage or the planula stage, instead of experiencing both the sessile stage and planula stage. Another unique trait off this species is that it does not develop into a polyp. Polyps typically produce the sexual reproduction gametes of cnidarians by budding. These polyps are stationary and non-moving forms of cnidarians (The Columbia Encyclopedia).
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Organisms traditionally classified as protozoa are abundant in aqueous environments and soil, occupying a range of trophic levels. The group includes flagellates (which move with the help of whip-like structures called flagella), ciliates (which move by using hair-like structures called cilia) and amoebae (which move by the use of foot-like structures called pseudopodia). Some protozoa are sessile, and do not move at all.
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This species can be distinguished by its fleshy, succulent leaves, which are a minimum of 2 mm in thickness. In addition, the leaves are smooth, sessile, egg-shaped (with the narrowest part against the stem), with bright red margins. The leaf normally has a faint line of hair, along its reddish margins (but the hairs tend to fall off at the leaf tip).Crassula rubricaulis - PlantZAfrica.
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The sessile oak (Quercus petraea), one of Wales' most common species, can be found across the region. English holly (Ilex aquifolium), one of the few native evergreen trees, can found in southern Wales. The wych elm (Ulmus glabra), a native species, suffers from disease and competition introduced by exotic species.John White, "Trees: A Field Guide to the Trees of Britain and Northern Europe", 2005.
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In case surface roughness is present, the droplet can be in Wenzel state (homogeneous wetting), Cassie-Baxter state (heterogeneous wetting) or in an intermediary state. The surface roughness amplifies the wetting behavior caused by the surface chemistry. In order to measure the contact angle hysteresis, the sessile droplet can be increased gradually in volume. The maximum possible contact angle is referred to as the advancing contact angle.
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These ascidians have soft bodies but are covered by a hard, protective tunic as they are part of the subphylum tunicate. They are sessile intertidal organisms. The tunic contains hair like extensions of the epidermis known as ampullae, which are hollow and tubular. Ampullae grow shortly after the larvae settles in the sediments and are used to form a strong attachment to grains of sand.
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Medicosma elliptica is a shrub or tree that typically grows to a height of with glabrous branchlets. The leaves are arranged in opposite pairs, leathery, elliptical or oval, long and wide on a petiole long. The leaves are glabrous and have many conspicuous oil dots. The flowers are arranged singly or in small groups in leaf axils and are sessile or on a pedicel up to long.
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The perennial wildflower Trillium cernuum possesses three leaves that are sessile at the top of the stem. In botany, sessility (meaning "sitting", used in the sense of "resting on the surface") is a characteristic of plant parts that have no stalk. Flowers or leaves are borne directly from the stem or peduncle, and thus lack a petiole or pedicel. The leaves of most monocotyledons lack petioles.
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The polyps resemble those of closely related anthozoans, such as sea anemones and corals. The jellyfish polyp may be sessile, living on the bottom, boat hulls or other substrates, or it may be free-floating or attached to tiny bits of free-living plankton or rarely, fish or other invertebrates. Polyps may be solitary or colonial.Jellyfish – The Life Cycle of a Jellyfish ThoughtCo. Animals.about.com.
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Ernettia is an extinct genus of Ediacaran organisms with an infaunal lifestyle. Fossil preservations and modeling indicate this organism was sessile and “sack”-shaped. It survived partly buried in substrate, with an upturned bell-shaped frill exposed above the sediment-water interface. Ernietta have been recovered from present-day Namibia, and are a part of the Ediacaran biota, a late Proterozoic radiation of multicellular organisms.
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Lysiana is a genus of aerial shrubs, which are parasitic on the stems of their hosts. They are erect to pendulous, smooth and with no epicortical runners. The leaves are opposite, and sometimes clustered on shortened axes, and flat with pinnate venation or compressed or terete. The inflorescence is axillary, and may be either a pedunculate or sessile two- flowered umbel or a single flower.
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The flower buds are arranged in leaf axils on an unbranched peduncle long, the individual buds usually sessile. Mature buds are in contact side to side at their bases, long and wide with a flattened and beaked operculum. Flowering has been observed in March and August and the flowers are white. The fruit is a woody, bell-shaped capsule long and wide with the valves protruding slightly.
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A sea tulip colony in Australia. Sea tulip is the common name of a few species of sessile ascidians (sea squirts) in the genus Pyura that live in coastal waters at depths of up to 80 m (260 feet). Like all ascidians, sea tulips are filter feeders. Their common name comes from their appearance - that of a knobbly 'bulb' or flower attached to a long stalk.
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M. flexialabastra is a compact, bushy plant found in high altitude sub-tropical rainforests and the drier rainforests between Queensland and New South Wales. The inflorescence is a terminal raceme off a central axis, and the pink to red tubular flowers occur in strongly reflexed, decussate pairs with a central sessile flower. The ovoid fruits (6 - 15 mm long) are a red-blotched yellowish-green.
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Tolbaños de Abajo is a village in the municipality of Valle de Valdelaguna located southeast of the province of Burgos, Castilla y León (Spain). In Tolbaños de Abajo may be one of the better preserved meadows of the Iberian Peninsula, with specimens of oak (Quercus pyrenaica) and sessile oak (Quercus petraea), the latter are close to 400 years of age. There are also beautiful examples of holly.
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On the abaxial surface, leaves are a pale greyish colour and have prominent veins covered with fine, greyish-brown, dense, sessile star-shaped hairs. Inflorescence consists of large panicles with pale yellow, cream, or greenish coloured flowers. Flowers are also small, exist in terminal clusters, have no petals, and have ovaries which are practically inferior. The sepals are persistent, bracts deciduous, and the operculum is membranous.
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An animal's mode of locomotion may change considerably during its life-cycle. Barnacles are exclusively marine and tend to live in shallow and tidal waters. They have two nektonic (active swimming) larval stages, but as adults, they are sessile (non-motile) suspension feeders. Frequently, adults are found attached to moving objects such as whales and ships, and are thereby transported (passive locomotion) around the oceans.
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Hypericum revolutum is a shrub or small tree in the genus Hypericum native to Arabia and Africa. It is evergreen, with leaves opposite, closely spaced and crowded at the ends of branches, c. 20 × 5 mm, green to slightly glaucous, sessile, clasping at the base. Single bright yellow flowers form at the ends of branches, up to 5 cm in diameter, blooming from June to November.
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Each flower contains six petals and stamens enclosed in a perianth with six divisions, surrounding a three-celled, oblong ovary with a sessile stigma. The flowers are sweetly fragrant. In Europe, it flowers for about a month in late spring or early summer, but does not bear fruit. The fruit is a berry filled with mucus, which when ripe falls into the water and disperses by floating.
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Clatworthy reservoir features a range of habitats including acid grassland, Fox glove, broadleaf woodlands and scrub leading to marshy areas around the inlet streams. Clatworthy woodland is mainly beech with sessile oaks, silver birch and rowan. The site is home to a range of passage and woodland birds as well as geese, grebes and swans. Red deer, roe deer and badgers are often seen in the woods.
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The fruit body lacks a stipe, having a sessile attachment to the substrate. The fruit body has no distinctive taste or odor. The thin-walled spores are somewhat fusoid (spindle-shaped) to elongated ellipsoidal in shape, smooth, hyaline (translucent), and measure 12–14.5 by 4–4.8 μm. The basidia (spore-bearing cells) are club-shaped, four-spored, and clamped, measuring 24–28 by 7–9 μm.
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Pedinellales is a group of single-celled algae found in both marine environments and freshwater. These are found in both freshwater and marine environments, and most genera are sessile, attached by posterior stalks. The flagellum is at the anterior of the cell, and the tentacles surround it, often capturing small prey drawn in by its current. The colored genera are Pedinella, Apedinella, Pseudopedinella, and Mesopedinella.
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The leaves are sessile, but have a narrow part near the stem which is a pseudo-petiole. They have three or five parallel veins that diverge in the wider part of the leaf. Leaves are broad or narrow, depending on the species. The inflorescences are borne on stalks typically tall, and can be a short cone or a long spike, with numerous tiny wind-pollinated flowers.
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The genus name (dipsacus) is derived from the Greek word for thirst (dipsa) and refers to the cup-like formation made where sessile leaves merge at the stem. The name teasel derives from words such as Old English tǣsl, tǣsel; relating to the verb "to tease" – the dried heads of the plant were once used in the textile industry to raise the nap on woolen cloth.
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Edriophthalma is a disused peracarid (Malacostraca) classification comprising Isopoda and Amphipoda, first proposed by William Elford Leach in 1815. They have several common features, such as the fact that they both lack a carapace, possess sessile compound eyes, and thoracic coxae fused to their pleurites. Some molecular studies have shown that these are not related. The group has also been known as Acaridea and Arthrostraca.
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A barnacle is a type of arthropod constituting the infraclass Cirripedia in the subphylum Crustacea, and is hence related to crabs and lobsters. Barnacles are exclusively marine, and tend to live in shallow and tidal waters, typically in erosive settings. They are sessile (nonmobile) and most are suspension feeders, but those in superorder Rhizocephala are parasitic. They have four nektonic (active swimming) larval stages.
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The cyprid larva is the last larval stage before adulthood. It is not a feeding stage; its role is to find a suitable place to settle, since the adults are sessile. The cyprid stage lasts from days to weeks. It explores potential surfaces with modified antennules; once it has found a potentially suitable spot, it attaches head-first using its antennules and a secreted glycoproteinous substance.
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The nearly erect leaves are ovate, oval, or oboval, have acute tips, and are rounded at their sessile bases. The leaves are thick, leathery, and firm, the longest measuring in length and most measuring wide, most being shorter than the internodes. Typically leaves are planar but they can become recurved when dry. The leaves have one to five basal veins and are densely dotted.
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Leaves are all cauline and are arranged alternately. They are soft, rather narrow and curly, feather-like, the lower ones broadly-shaped and narrowed in the petiole. Middle and upper leaves cover the stem and are lanceolate or ovate-lanceolate, sessile, serrated on the edges. The upper side of the leaves is bare or slightly pubescent, where as the lower side is grayish-felted.
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Brachiopods, the dominant benthic organism of the Palaeozoic, suffered badly during the MMR. Their sessile foot- attached nature made them easy prey to durophagous predators. The fact that they could not re-attach to a substrate if an attack failed meant their chances of survival were slim. Unlike bivalves, brachiopods never adapted to an infaunal habit (excluding lingulids) and so remained vulnerable throughout the MMR.
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Corsia ornata was first described by Odoardo Beccari in February 1875, and therefore bears his name (Becc.) as the botanical authority. It was the first species of the genus to be discovered and is therefore considered its type species. It is classified in the section Sessilis (named for their sessile labellum), the larger of the two sections of that genus, as one of 19 species.
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Eucalyptus goniocalyx is a tree that typically grows to a height of and forms a lignotuber. It has more or less rough, fibrous, greyish bark, although the thickness and nature depends on subspecies. Young plants and coppice regrowth have sessile, more or less round leaves long and wide arranged in opposite pairs. Adult leaves are lance-shaped to curved, long and wide on a petiole long.
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Glengarriff Forest is an area of woodland near Glengarriff, West Cork, Ireland. Most of the woodland is a nature reserve in public ownership which is sometimes referred to as Glengarriff "forest park" or "state forest". Glengarriff Forest is one of the best examples in the country of oceanic sessile oak woodland. It is part of the much larger Glengarriff Harbour & Woodlands Special Area of Conservation (SAC).
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Adult leaves are arranged alternately, lance-shaped, long and wide on a petiole up to long. The flower buds are arranged in groups of three in leaf axils on a peduncle long, the individual buds sessile or on a pedicel up to long. Mature buds are glaucous, diamond-shaped, long and wide with a conical operculum. Flowering occurs between May and November and the flowers are white.
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The flower buds are arranged in leaf axils in groups of seven on an unbranched peduncle long, the individual buds sessile or on pedicels up to long. Mature buds are oval to spindle-shaped, long and wide with a conical operculum. The flowers are white and the fruit is a woody, hemispherical to bell-shaped capsule long and wide with the valves near rim level.
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Nicotiana quadrivalvis is a species of wild tobacco known as Indian tobacco. It is endemic to the western United States, where it grows in many types of habitat. It is a bushy, sprawling annual herb growing up to two meters in maximum height. The lower leaf blades are up to long and are borne on short petioles, the upper smaller and sessile on the stem.
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The bushy erect pungent shrub typically grows to a height of with branchlets that are ribbed, glabrous or sparsely appressed-puberulous with straight hairs. Stipules are present only on young fresh shoots. The trunk and branches have smooth green or brown bark. The leathery leaves have phyllodes or are sessile, patent to ascending, inequilateral basally, subulate-linear, elliptic in shape and straight to recurved.
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Upper leaves of Senecio vulgaris are sessile, lacking their own stem (petiole), alternating in direction along the length of the plant, two rounded lobes at the base of the stem (auriculate) and sub-clasping above. Leaves are pinnately lobed and + long and wide, smaller towards the top of the plant. Leaves are sparsely covered with soft, smooth, fine hairs. Lobes typically sharp to rounded saw-toothed.
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A road along Glen Etive makes the head of the loch accessible from Glen Coe. The narrow mouth of the loch results in its most unusual feature, the Falls of Lora. Part of the north bank has been designated a Special Area of Conservation in particular due to old sessile oak woods. Surprisingly, a small colony of around 20 common seals is resident in Loch Etive.
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The flower buds are arranged in leaf axils on a thick, downturned, unbranched peduncle long, the individual buds sessile or on thick pedicels up to long. Mature buds are long and wide with a conical operculum. Flowering occurs mainly from August to November and the flowers are yellowish green. The fuit is a woody, cylindrical capsule long and wide with the valves at or below rim level.
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No. 4, Vol. 1. Rome, FAO. pp. 153–203. N. pourtalesi grows to a mantle length of 11 mm (given as "length to dorsal edge of mantle") and total length of 24 mm (given as "length to tip of longest sessile arm"). The type specimen was collected off Barbados and is deposited at the National Museum of Natural History in Washington, D.C..Current Classification of Recent Cephalopoda.
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Eucalyptus buprestium is a mallee that typically grows to a height of and forms a lignotuber. It has smooth greenish brown and cream-coloured bark that ages to grey and is shed in ribbons. Young plants have dull green, elliptic, sessile leaves arranged in opposite pairs, long and wide. Adult leaves are arranged alternately, greyish green, narrow lance-shaped, long and wide on a petiole long.
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Eucalyptus ceracea is a small tree, often with many stems, or a mallee. It typically grows to a height of and forms a lignotuber. The trunk and most of the branches are covered with thick, fibrous or flaky yellowish to reddish brown bark. Young plants, coppice regrowth and the crown of adult trees have egg-shaped, sessile leaves long and wide arranged in opposite pairs.
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The flower buds are arranged in leaf axils in groups of three on a strongly flattened peduncle up to long. Mature buds are oval, ribbed, up to long and wide with a ribbed, conical operculum. Flowering occurs from July to September and the flowers are creamy white. The fruit is a woody, sessile, cup-shaped or conical capsule long and wide with the valves near rim level.
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They are lance- shaped, long and wide on a petiole long. The flower buds are arranged in leaf axils in groups of between nine and nineteen on a flattened, glaucous, unbranched peduncle long. The individual buds are sessile or borne on a pedicel up to long. Mature buds are oval, non-glaucous, long and wide with a conical operculum that is slightly longer than the floral cup.
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They are long and wide on a flattened petiole long. The flower buds are arranged in groups of between eleven and twenty one on a peduncle long, the individual buds sessile or on a pedicel up to long. Mature buds are oval to spindle-shaped, long and wide with a conical to beaked operculum. Flowering occurs between August and January and the flowers are creamy white.
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Eucalyptus dissimulata is a mallee that typically grows to a height of and forms a lignotuber. It has smooth light grey to greenish brown bark that is shed in strips. Young plants and coppice regrowth have sessile leaves arranged in opposite pairs and long and wide. Adult leaves are glossy green, arranged alternately, narrow elliptic to narrow lance-shaped, long and wide on a petiole long.
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The wood has been fenced off to exclude livestock to allow new planting and natural regeneration of trees. New species planted are Sessile Oak, Hazel and Holly while much of the regeneration is Birch, Alder and Rowan. The northern arm of the reservoir formed by Strines Dike is surrounded by a coniferous plantation."Information board at Pear House Wood" Gives details of Pear House Wood.
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Eucalyptus brockwayi is a tree that typically grows to a height of but does not form a lignotuber. It has smooth, shiny light grey, pinkish and creamy white bark on its trunk and branches. Young plants and coppice regrowth have dull green, sessile, elliptic leaves, long and wide. The adult leaves are very glossy green, linear to narrow lance-shaped, long and wide on a petiole long.
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Monogononta is a class of rotifers, found mostly in freshwater but also in soil and marine environments. They include both free-swimming and sessile forms. Monogononts generally have a reduced corona, and each individual has a single gonad, which gives the group its name. Males are generally smaller than females, and are produced only during certain times of the year, with females otherwise reproducing through parthenogenesis.
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The “Bulb” of the Bulbous Buttercup The stems are 20–60 cm tall, erect, branching, and slightly hairy flowering.RH Uva, JC Neal and JM Ditomaso (1997) Weeds of The Northeast, Cornell University Press, Ithaca, NY. pp. 294-295 There are alternate and sessile leaves on the stem. The flower forms at the apex of the stems, and is shiny and yellow with 5–7 petals.
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This discrepancy, is because spearing mantis shrimp display displacement amplification whereas smashing mantis shrimp display force amplification. This makes sense given their hunting strategies. “Smashers” need to apply a large amount of force, but easily get close to their sessile, hard-shelled prey. However, for “spearers” like the zebra mantis shrimp, it is more advantageous to have greater reach when targeting prey with their ambush attack strategy.
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617 That year, Vida expanded on his large-scale works with a monument to the 30 Romanians killed in the Moisei massacre of 1944. It was initially a composition bringing together twelve sessile oaks handpicked by Vida and carved by him to resemble "characters from the Maramureș folk stories"; from 1972, he replaced them with more durable stone reproductions.Bodea, pp. 88–93, 95–96.
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The flower buds are arranged in groups of seven on an unbranched peduncle long, the individual buds usually sessile. Mature buds are oval, glaucous, long and wide with a rounded to conical operculum. Flowering occurs between October and November and the flowers are white. The fruit is a woody cup-shaped to conical capsule long and wide with the valves protruding above the rim.
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Primula vulgaris subsp. sibthorpii'' The forests on the mountain slopes in the park consist of both deciduous and evergreen tree species. These include sessile oak, sweet chestnut, oriental hornbeam, common hornbeam, black alder, oriental beech, oriental spruce, Caucasian fir and Scots pine. On the higher slopes, the common aspen is added to these as well as rhododendron, juniper, Vaccinium, willow, birch and European raspberry.
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Eucalyptus filiformis is a mallee that typically grows to a height of . It has rough, fibrous to flaky, light grey bark on the trunk, smooth bark above. The leaves on young plants are more or less sessile, narrow linear, bluish, a slightly lighter shade on one side, up to long and wide. Adult leaves are petiolate, narrow lance-shaped to narrow elliptical, long and wide.
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The sessile oak is a large deciduous tree up to tall, in the white oak section of the genus (Quercus sect. Quercus) and similar to the pedunculate oak, Q. robur, with which it overlaps extensively in range. The leaves are long and broad, evenly lobed with five to six lobes on each side and a petiole. The male flowers are called catkins, produced in the spring.
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The plasmodium is sepia-toned, brown-black or black. The fruiting body is usually pseudoaethalioid, occasionally aethalioid or on rare occasions even sporangiate. The fruiting bodies form dense groups which are mainly sessile or, rarely, borne on a stipe. The single sporangia are cylindric and create a spotted to cushion- shaped aethalium with a diameter from and a thickness from 2 to 10 mm.
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Corymbia dunlopiana is a tree that typically grows to a height of and often has twisted irregular branches. The bark is rough, tessellated or flaky and grey-brown over reddish-brown. The branchlets, leaves and flower-buds are all rough and hairy. Young plants and coppice regrowth have sessile, heart-shaped to elliptical leaves that are long and wide with a rounded or stem-clasping base.
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Flowers are numerous sessile on flower heads 9–13 mm in diameter; bracts are easily deciduous and linear, 4–5 mm long. Calyx tubes are approximately 5 mm long, abaxially yellow pubescent, densely so on ovary and tubular part, more sparsely so on cup-shaped part. Filaments 3–4 mm. Fruits are approximately 6 × 5 mm including a 'beak', ferruginous pubescent distally and on beak.
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The Jasmineira elegans is a macrobenthic suspension feeder native to the Northern Atlantic Ocean, Mediterranean Sea, and Red Sea. The worm is sessile and lives in sandy substrates, predominantly in coastal waters. Jasmineira elegans uses its fan-like radioles to feed on suspended detritus and to supply itself with oxygen. Early observations of the worm suggest they may be capable of regenerating damaged radioles.
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The species of Halocnemum are subshrubs or low shrubs up to 1.5 m, much branched from base. Young stems are succulent, glabrous, apparently articulated, with characteristic globular to short-cylindrical lateral branches. The opposite leaves are fleshy, glabrous, sessile, joined at base and surrounding the stem, their blades reduced to small scales. The inflorescences are terminal or numerous opposite lateral, short-cylindrical or orbicular spikes.
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It is a medium-sized shrub, growing 0.6–3 meters (2–10 feet) in height with a highly-branching form. The stems are green when young, becoming reddish brown and peeling or plating with age. The opposite leaves are sessile, up to long and across with an oblong to lanceolate shape. The flowerheads have up to seven golden yellow flowers, each in diameter with five petals.
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Hibbertia miniata is either an erect small shrub or grows horizontally along the ground and high and rounded in outline. The leaves are lance-shaped, broader and rounded at the apex, sessile, long, wide, densely covered with grey short, soft, matted hairs or soft, silky hairs. The leaf edges rolled under, becoming more pronounced as they dry. The mid-rib on the underside prominent.
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Its grand opening was held August 3, 2002. As well as its museum the Discovery Center includes of wetland. The Discovery Center and the City's Greenway trail system and parks have reversed decades of local environmental damage and preserved large areas of vanishing wetlands and natural areas which include rare native plants. The Discovery Center marsh contains the state's largest population of sessile water- speedwell.
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The flower buds are arranged in leaf axils in groups of seven, nine or eleven on an unbranched peduncle, the individual buds more or less sessile. Mature buds are oval to oblong, long and wide with a rounded to flattened operculum. Flowering occurs between September and December and the flowers are white. The fruit is a woody conical or hemispherical capsule long and wide with the valves near rim level.
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There are many natural and anthropogenic disruptions which play a major role in loss of habitat of organisms living in coral reef communities. Sessile, benthic communities on tropical coral reefs experience natural disruptions including tropical storms, unseasonal temperature extremes and infestations of crown-of-thorn sea stars (Acanthaster planci).Pratchett, M. S., Wilson, S. K., & Baird, A. H. (2006). Declines in the abundance of Chaetodon butterflyfishes following extensive coral depletion.
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This species has sessile glands located on the plant epidermis that are used to absorb nutrients. Other species of carnivorous plants, such as Cephalotus follicularis, use these glands to secrete enzymes to break down detritus and trap prey. However, C. berteroniana lacks enzyme production, so this plant breaks down materials using other methods. An important feature located on the leaves of Catopsis berteroniana is the presence of a white powder.
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Eucalyptus sabulosa is a tree that typically grows to a height of . It has thick, rough, fibrous or scaly bark on the trunk and branches, smooth, salmon-coloured bark on the thin branches. Young plants have sessile or shortly petiolate, linear to lance-shaped to curved leaves that are long and wide. Adult leaves are lance-shaped to curved, long and wide on a petiole up to long.
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Having settled, the larvae undergo metamorphosis into the hydroid stage of the lifecycle, forming tiny sessile polyps called scyphistomae. Under favorable conditions these bud and form further scyphistomae. In due course, when they have acquired zooxanthellae and the temperature exceeds , these strobilate (split) and new medusae are formed. In Florida, the medusae are found all the year round but the scyphistomae are only present in late summer and fall.
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The sessile flowers are borne in pairs of capitate cymules, each 0.5-0.7 cm in diameter, and comprising 3-9 flowers. The corolla is campanulate, 2-3 mm long. The inflorescences of the species suggest a close relationship with B.hieronymi, B. interrupta, and B. iresinoides found in the Andes; its occurrence in Brazil probably owing to the much drier conditions prevalent in the Amazon region during the Pleistocene period.
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The flower buds are arranged the ends of branchlets on branched peduncles long, each branch with seven more or less sessile buds. Mature buds are oval, long and wide with an operculum that is rounded with a central knob or conical. The flowers are white and the fruit is a barrel-shaped, urn-shaped or shortened spherical capsule long and wide with the valves enclosed in the fruit.
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A few species, such as members of the Rotaria, are ovoviviparous, retaining the eggs inside their body until they hatch. Most species hatch as miniature versions of the adult. Sessile species, however, are born as free-swimming larvae, which closely resemble the adults of related free-swimming species. Females grow rapidly, reaching their adult size within a few days, while males typically do not grow in size at all.
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High Woods is a biological Site of Special Scientific Interest on the northern outskirts of Bexhill-on-Sea in East Sussex. It is owned by Rother District Council and managed by Highwoods Preservation Society. This site has several different habitats, including the only area of sessile oak coppice in the county. There are also areas of pedunculate oak and birch woodland, acidic grassland on wet heath, ponds and streams.
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Its leaves are alternate or opposite or rarely in whorls of three or four. They are linear and 3–20 mm long by 1–2 mm wide with revolute margins and stiff, occasionally gland-tipped hairs which give a toothed appearance. The midrib on lower surface is often glandular/hairy and the leaves are sometimes sessile. The flowers are solitary (rarely paired) on peduncles which are 3–10 mm long.
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Pentacentron sternhartae fruiting spikes range between in length with the fruits arranged long the axis in a helical pattern. Each capsule is sessile on the thin raceme. The caspsular heads consist of five fruiting chambers, arranged pentagonally around the midline of the wide head. Growing from the middle area of each chamber is an apically and inwardly curving persistent style, each with an elliptical nectary bulge at its base.
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There are many small oil dots visible to the naked eye. The flower buds are arranged on the ends of branchlets on a branched peduncle long, each branch of the peduncle with three or seven buds that are sessile or on pedicels up to long. Mature buds are oval, long and wide with a rounded, conical or slightly beaked operculum. Flowering occurs from August to November and the flowers are white.
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Lambertia orbifolia is a shrub or small tree that grows to a height of up to but does not form a lignotuber. It has erect, spreading branches covered with soft hairs. The leaves are arranged in opposite pairs, sometimes in whorls of three and are in diameter and sessile. The flowers are arranged in groups of between four and six, each flower long with overlapping bracts at the base.
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Adult leaves are broadly lance-shaped, the same glossy green on both sides, long and wide on a petiole long. The flowers are borne in groups of between nine and fifteen in leaf axils on a flattened peduncle long but the individual buds are sessile. Mature buds are oval to oblong, long and wide with a conical operculum. Flowering mainly occurs from August to November and the flowers are white.
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Adult leaves are the same shade of glossy green on both sides, lance-shaped to curved, long and wide, tapering to a petiole long. The flower buds are arranged in leaf axils on an unbranched peduncle long, the individual buds usually sessile. Mature buds are oval to spindle-shaped, long and about wide with a conical operculum. Flowering occurs from February to March and the flowers are white.
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Plants of the genus Calligonum are shrubs, diffusely but irregularly branched, with flexuous woody branches. Leaves are simple, opposite, nearly sessile, linear or scale-like, sometimes absent or very small, linear or filiform, distinct or united with short membranous ochreae. Flowers are bisexual, solitary or in loose axillary inflorescences. Flowers have persistent, 5-parted perianths not accrescent in fruit, and 10-18 stamens with filaments connate at the base.
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Approximately hectares of the land covered by the forest is varied planting of broad-leaved (mainly sessile oak and beech) and pine (mainly Scots pine) trees. It is well known for its varied wildlife, particularly deer and birds. Wolves were historically a common feature of the forest, the last recorded capture being in 1882. The Lothar Storm hit the forest on 26 December 1999, with recorded gusts reaching 166 km/h.
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Prostanthera aspalathoides is a compact, upright shrub that typically grows to a height of and has densely hairy, glandular branchlets. The aromatic leaves are cylindrical to linear-elliptic in shape, long, wide and sessile or on a petiole up to long. The flowers are arranged singly in leaf axils with bracteoles long at the base. The sepals are long and joined at the base to form a tube long.
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The flowers are white, sessile and borne on the ends of branchlets with two scaly bracteoles about long at the base. The five sepals are long, joined for half their length and covered with silvery scales. The petals are egg- shaped to elliptical, long and wide, covered with silvery scales on the back and the stamens are slightly longer than the petals. Flowering occurs from August to September.
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Medetomidine can be used as an antifouling substance in marine paint. It is mainly effective against barnacles, but has also shown effect on other hard fouling like tube worms. When the barnacle cyprid larva encounters a surface containing medetomidine the molecule interacts with the octopamine receptor in the larva. This causes the settling larva to increase its kicking to more than 100 kicks per minute, which makes becoming sessile nearly impossible.
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Angophora costata is a tree that typically grows to a height of and forms a lignotuber. It has smooth pinkish or cream-coloured bark that weathers to grey and is shed in small scales. It is the only Angophora to have smooth bark on the trunk. Young plants and coppice regrowth have sessile, elliptical to egg-shaped leaves arranged in opposite pairs with a stem-clasping base, long and wide.
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Phebalium brevifolium is a shrub that typically grows to a height of about . It has warty branchlets and sessile, wedge-shaped leaves about long and wide with the narrower end towards the base. Up to three white flowers are arranged in umbels, each flower on a pedicel long. The calyx is about long, warty and covered with scales and star-shaped hairs on the outside and with rust-coloured scales inside.
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Eucalyptus insularis is a mallee that typically grows to a height of and forms a lignotuber. It has smooth greyish bark, sometimes with rough, fibrous bark on larger stems. Young plants and coppice regrowth have sessile, oblong to lance-shaped leaves long and wide arranged in opposite pairs. Adult leaves are arranged alternately, the same dull green colour on both sides, linear in shape, long and wide on a petiole long.
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Horned sea stars seem to be opportunistic carnivores; adults are known to prey on most sessile life forms including hard corals and sponges in aquarium. In this same setting, they will hunt down snails and eat them. An individual of horned sea star also has been observed eating a sea urchin in their natural habitat. Gremli MS, Newman HE, Insight Guides Underwater: Marine Life In the South China Sea, page 159.
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Eucalyptus jutsonii is a mallee that typically grows to a height of and forms a lignotuber. It has rough, fibrous grey bark on the stems, smooth pinkish to greyish bark above. Young plants and coppice regrowth have sessile, dull greyish green, linear leaves, long and wide. Adult leaves are the same glossy green on both sides, linear in shape, long and wide tapering to a petiole up to long.
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The flowers occur in sessile triads, with a main and secondary peduncle of the inflorescence which is 1–2 cm long. There is a pink or red dome beneath the flower which covers the calyx and base of the flower. The flower buds are 4.5-5.0 cm long, and straight with an acute apex. The petals are red, orange or yellow at the base and yellow or greenish at the apex.
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Red pondweed is a perennial herb anchoring in the mud substrate via a creeping rhizome. It produces a cylindrical unbranched stem, up to 2.8 m in length. It has sessile lance-shaped submerged leaves that are typically 70–180 mm long and 10–25 mm wide with 4-7 lateral veins on either side and a slightly hooded apex, with an untoothed margin. Floating leaves may also be produced.
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A new species of Eclipta (Compositae: Heliantheae) and its allies in eastern Asia. Thai Forest Bulletin (Botany) 35 108-18; includes photo of type specimen at Kyoto University National Science Museum herbarium in Japan, collected in Thailand Eclipta angustata was for years regarded as part of the species E. prostrata before being recognized as a distinct species in 2007. It differs in having sessile leaves, subovate achenes, and conspicuous tubercules.
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Palaeovespa is most similar to the extant genus Vespa, with which it shares many similar features such as a broad rounded thorax with a sessile abdomen that is broad at the base. The genus however possesses wing venation that is closer to the more primitive genus Polistes. Despite naming P. florissantia as the type species Cockerell noted that not all features of the genus were discernible in the P. forissantia holotype.
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Phebalium appressum is a rounded shrub that typically grows to a height of and is more or less covered with silvery scales. The leaves are sessile, crowded, egg-shaped to heart-shaped, about long and wide and pressed against the branch. The flowers are white and borne singly or in pairs on the ends of branchlets. The pedicels are about long, thick and densely covered with rust-coloured scales.
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Amongst the brittle stars, six-armed species such as Ophiothela danae, Ophiactis savignyi, and Ophionotus hexactis exists, and Ophiacantha vivipara often has more than six.Australian Echinoderms: Biology, Ecology and Evolution Echinoderms exhibit secondary radial symmetry in portions of their body at some stage of life. This, however, is an adaptation to their sessile existence. They developed from other members of the Bilateria and exhibit bilateral symmetry in their larval stage.
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Male florets are ostiolar in up to 4 rows, on stems with 4 or 5 tepals with cilia ("eyelashes") and each with one or two stamens. The female and gall florets are generally without stems (sessile), with 5 ciliolate (with "eyelashes") tepals. Interfloral bracts are absent. In the Northern Territory it has been found flowering in January, March, May, June, July, September, October and November, and it fruits all year round.
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The flower buds are arranged in leaf axils usually in groups of three on an unbranched peduncle long, the individual buds sessile. Mature buds are oblong, long and wide with a rounded to conical operculum. Flowering occurs from December to March and the flowers are white. The fruit is a woody, urn-shaped to barrel-shaped capsule long and wide with the valves at or below rim level.
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This is an aquatic perennial growing from a creeping rhizome that anchors in wet substrate. It produces thin, cylindrical, heavily branching stems usually less than a metre in length. The submerged leaves are sessile, relatively narrow, typically 40–90 mm long and 5–12 mm wide along the main stem but smaller on the side branches. They are translucent and pale green with a white midrib, and finely toothed.
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The species differs from the enigmatic N. thorelii in several aspects of vegetative morphology. Firstly, the lamina of N. bokorensis is sessile to sub-petiolate and only slightly decurrent down the stem, if at all. In comparison, N. thorelii has an amplexicaul leaf attachment and the base of the lamina is decurrent into two wings that extend up to 2.5 cm down the stem.Jebb, M.H.P. & M.R. Cheek 1997.
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The small flowers either grow singly or in groups of three, the central one being sessile and the side ones having short stalks. The five petals are white and there is a boss of protruding stamens. The fruit is a fleshy berry containing one or two seeds and is topped by the remains of the five persistent sepals. The fruit has a diameter of and turns red when ripe.
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The nerves are not visible. The peduncles are mostly from 15 to 30 mm long, and villous as on the branchlets. The inflorescence is globular and has from 30 to 35 flowers, each of which has a very small calyx and is 5-merous. The sessile pods are short (10–30 mm long, 8–10 mm wide), flat but obviously raised over seeds, straight to slightly curved, blackish, viscid, and hairy.
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Boronia quadrilata is an erect shrub that typically grows to a height of about and has stems that are more or less square in cross-section. The plant is glabrous apart from the petals, which have star-like hairs, especially on their backs. The leaves are simple, sessile and wedge-shaped, long and wide. The flowers are borne on a peduncle long, individual flowers on a pedicel long.
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The flower buds are arranged in groups of seven on a flattened peduncle long, the individual buds sessile or on a pedicel up to long. Mature buds are oval to cylindrical, long and wide with a conical operculum long. Flowering occurs in summer and the flowers are white. The fruit is a woody cup-shaped, conical or cylindrical capsule, long and wide with the valves below the rim.
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Rhaponticum repens, synonym Acroptilon repens, with the common name Russian knapweed, is a bushy rhizomatous perennial, up to 8 dm tall. Stems and leaves are finely arachnoid-tomentose becoming glabrous and green with age. The rosette leaves are oblanceolate, pinnately lobed to entire, 2–3 cm wide by 3–8 cm long. The lower cauline leaves are smaller, pinnately lobed; the upper leaves become much reduced, sessile, serrate to entire.
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New Phytol 67: 365 The distribution of M. taylorii is limited by a requirement for at least 120-140 wet days per year. In Britain it is often found in the widespread derelict forests of sessile oak (Quercus petraea) and downy birch (Betula pubescens), managed as poor sheep pasture with scattered trees, in the uplands of Western Britain. Mylia taylorii is consistently calcifugous in its choice of substrate.
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The bark is grey, thick and corky even on young trees, becoming scaly and fissured with age. The winter buds are dark brown to blackish, with a velvety texture. The leaves are opposite, pinnately compound, with 7–13 (most often 9) leaflets; each leaf is long, the leaflets long and broad, with a finely toothed margin. The leaflets are sessile, directly attached to the rachis without a petiolule.
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The flower buds are arranged in leaf axils in groups of seven on an unbranched peduncle long, the individual buds sessile or on pedicels up to long. Mature buds are oval, spindle-shaped or diamond-shaped, long and wide with a conical operculum. Flowering occurs in February and March and the flowers are white. The fruit is a woody hemispherical capsule long and wide with the valves protruding.
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Adult leaves are broadly lance-shaped, dull bluish green at first then the same glossy green on both sides, long and wide with a petiole long. The flower buds are arranged in groups of seven in leaf axils on a peduncle long but the individual flowers are sessile. Mature buds are oval to broadly spindle-shaped with a conical operculum. Flowering mainly occurs in September and the flowers are yellow.
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Rhus republicensis leaves are pinnately compound on a long petiole, with a possible total length of for full leaves. The subopposite leaflets are sessile on the rachis between the flared wings that bracket the midvein. The leaflets are obovoid to ovoid in outline, tapering from the wide middle to both the base and apex. They have a width of and a length to width ratio of up to 3.1∶1.
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Isopogon dawsonii grows as an upright shrub, its height usually ranging between 1 and 3 metres, though there have been anecdotal reports of up to 6 m (20 ft). The leaves are narrow and divided and are 8 to 12 cm long. They are hoary at first, becoming glabrescent later, and are carried on reddish-brown branchlets. It has greyish-cream sessile (stalkless) flowers that appear in late winter to spring.
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