genus Leonotis vs mint family

genus Leonotis and mint family both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Leonotis	Yes	No	No	No
mint family	Yes	No	No	No

genus Leonotis (noun)	mint family (noun)
small genus of tropical herbs and subshrubs of South Africa	a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint, thyme, sage, rosemary