stemless vs acaulescent

stemless and acaulescent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
stemless	No	Yes	No	No
acaulescent	No	Yes	No	No

As adjectives, stemless and acaulescent are synonyms defined as:

stemless and acaulescent: (of plants) having no apparent stem above ground

stemless (adjective)	acaulescent (adjective)
not having a stem	(of plants) having no apparent stem above ground
(of plants) having no apparent stem above ground