genus Lavandula vs family Labiatae

genus Lavandula and family Labiatae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Lavandula	Yes	No	No	No
family Labiatae	Yes	No	No	No

genus Lavandula (noun)	family Labiatae (noun)
lavender	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