family Leguminosae vs Papilionoideae

family Leguminosae and Papilionoideae both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Leguminosae	Yes	No	No	No
Papilionoideae	Yes	No	No	No

family Leguminosae (noun)	Papilionoideae (noun)
a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae, Mimosaceae, Papilionaceae	alternative name used in some classification systems for the family Papilionaceae