Labiatae vs genus Coleus

Labiatae and genus Coleus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Labiatae	Yes	No	No	No
genus Coleus	Yes	No	No	No

Labiatae (noun)	genus Coleus (noun)
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	genus of Old World tropical plants cultivated for their variegated leaves; various plants sometimes placed in genera Plectranthus or Solenostemon