subfamily Papilionoideae vs genus Gastrolobium

subfamily Papilionoideae and genus Gastrolobium both are nouns.

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

subfamily Papilionoideae (noun)	genus Gastrolobium (noun)
alternative name used in some classification systems for the family Papilionaceae	genus of Australian evergreen shrubs poisonous to livestock: poison bush