botany vs flora

botany and flora both are nouns.

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

As nouns, botany and flora are synonyms defined as:

Other synonyms of botany include vegetation.

botany (noun)	flora (noun)
the branch of biology that studies plants	(botany) a living organism lacking the power of locomotion
all the plant life in a particular region or period	all the plant life in a particular region or period