genus Pterocarpus vs Papilionoideae

genus Pterocarpus and Papilionoideae both are nouns.

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

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