flora vs deciduous

flora is a noun but deciduous is not a noun.

Word	Noun	Adjective	Verb	Adverb
flora	Yes	No	No	No
deciduous	No	Yes	No	No

flora (noun)	deciduous (noun)
(botany) a living organism lacking the power of locomotion
all the plant life in a particular region or period

flora (adjective)	deciduous (adjective)
	(of plants and shrubs) shedding foliage at the end of the growing season
	(of teeth, antlers, etc.) being shed at the end of a period of growth