subfamily Papilionoideae vs genus Pterocarpus

subfamily Papilionoideae and genus Pterocarpus both are nouns.

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

subfamily Papilionoideae (noun)	genus Pterocarpus (noun)
alternative name used in some classification systems for the family Papilionaceae	genus of tropical trees or climbers having usually broadly winged pods