monocarpous plant vs flora

monocarpous plant and flora both are nouns.

Word	Noun	Adjective	Verb	Adverb
monocarpous plant	Yes	No	No	No
flora	Yes	No	No	No

As nouns, flora is a hypernym of monocarpous plant; that is, flora is a word with a broader meaning than monocarpous plant:

Other hypernyms of monocarpous plant include plant, plant life.

monocarpous plant (noun)	flora (noun)
a plant that bears fruit once and dies	(botany) a living organism lacking the power of locomotion
	all the plant life in a particular region or period