stalkless vs sessile

stalkless and sessile both are adjectives.

Word	Noun	Adjective	Verb	Adverb
stalkless	No	Yes	No	No
sessile	No	Yes	No	No

As adjectives, stalkless and sessile are synonyms defined as:

stalkless and sessile: attached directly by the base; not having an intervening stalk

stalkless (adjective)	sessile (adjective)
attached directly by the base; not having an intervening stalk	attached directly by the base; not having an intervening stalk
	permanently attached to a substrate; not free to move about