genus Crotalaria vs subfamily Papilionoideae

genus Crotalaria and subfamily Papilionoideae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Crotalaria	Yes	No	No	No
subfamily Papilionoideae	Yes	No	No	No

genus Crotalaria (noun)	subfamily Papilionoideae (noun)
large genus of herbs with simple leaves and racemes of yellow flowers; mainly of tropical Africa	alternative name used in some classification systems for the family Papilionaceae