Sessilis
/SES-ih-lis/🏷️ Taxonomy●● Intermediate
Also known as: sessile
A morphological epithet indicating the leaf, flower, or other organ is attached directly to the stem without any intervening stalk — the blade or structure sits directly on the stem. It is the direct opposite of petiolatus. Appears as sessilis (both genders).
Etymology
From Latin sessilis, meaning "low," "sitting," or "dwarf," from sessus, past participle of sedere (to sit).
Example
“Trillium sessile (toadshade) has its flower sitting directly on the leaves without any pedicel, and many sedges described as sessilis have flowerheads attached directly to the stem without a stalk.”