withered vs flora

withered is not a noun while flora is a noun.

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

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

withered (adjective)	flora (adjective)
(used especially of vegetation) having lost all moisture
lean and wrinkled by shrinkage as from age or illness