black sage vs Trichostema lanatum

black sage and Trichostema lanatum both are nouns.

Word	Noun	Adjective	Verb	Adverb
black sage	Yes	No	No	No
Trichostema lanatum	Yes	No	No	No

As nouns, black sage and Trichostema lanatum are synonyms defined as:

black sage and Trichostema lanatum: an aromatic plant with wooly leaves found in southern California and Mexico

Other synonyms of black sage include California romero, wooly blue curls.

black sage (noun)	Trichostema lanatum (noun)
an aromatic plant with wooly leaves found in southern California and Mexico	an aromatic plant with wooly leaves found in southern California and Mexico