permanently attached to a substrate; not free to move about;
"sessile marine animals and plants"
attached directly by the base; not having an intervening stalk;
"sessile flowers" "the shell of a sessile barnacle is attached directly to a substrate"
例句
用作形容词(adj.)
Cauline leaves sessile, not auriculate, often entire.无柄的茎生叶,并非耳形,经常整个。
Cauline leaf sessile, semiamplexicaul, similar to basal ones but much smaller, base sometimes with a few rusty brown appendages.无柄的茎生叶,半抱茎,类似于基生者和非常小,有时基础有一些生锈的棕色的附加物。