And what is worthy of remark, these terminal ovicells always have a sessile avicularium on the summit.
This plant is sessile or nearly so, growing on the ground in dense clusters.
During the miocene and pliocene ages, sessile cirripedes abounded.
Leaves or leaflets are sessile when they have no stems, and petiolate when they have stems.
The leaves are pinnate, with from nine to seventeen oblong-lanceolate, sessile, serrate leaflets.
When either the flowers or the clusters are without stems, they are said to be sessile.
Glabrous herbs; leaves entire, sessile and simple (except in Menyanthes).
Sessiliventres: Hymenoptera in which the abdomen is sessile.
The leaves (radical) are oval heart-shaped and stalked; those of the stems are sessile; the whole plant is hairy and robust.
Easily distinguished from the other ashes by its sessile leaflets.
1725, "adhering close to the surface," from Latin sessilis "pertaining to sitting, for sitting on," from sessum, past participle of sedere "to sit" (see sedentary). In botany from 1753. Meaning "sedentary" first recorded 1860.
sessile ses·sile (sěs'īl', -əl)
Permanently attached or fixed; not free-moving.