subfamily Papilionoideae vs genus Cajanus

subfamily Papilionoideae and genus Cajanus both are nouns.

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

subfamily Papilionoideae (noun)	genus Cajanus (noun)
alternative name used in some classification systems for the family Papilionaceae	erect densely branched shrubby perennials of Old World tropics; naturalized in other warm regions