subfamily Papilionoideae vs Oxytropis

subfamily Papilionoideae and Oxytropis both are nouns.

Word	Noun	Adjective	Verb	Adverb
subfamily Papilionoideae	Yes	No	No	No
Oxytropis	Yes	No	No	No

subfamily Papilionoideae (noun)	Oxytropis (noun)
alternative name used in some classification systems for the family Papilionaceae	large widely-distributed genus of evergreen shrubs or subshrubs having odd-pinnate leaves and racemose or spicate flowers each having a pea-like corolla with a clawed petal