downy wood mint vs wood mint

downy wood mint and wood mint both are nouns.

Word	Noun	Adjective	Verb	Adverb
downy wood mint	Yes	No	No	No
wood mint	Yes	No	No	No

As nouns, wood mint is a hypernym of downy wood mint; that is, wood mint is a word with a broader meaning than downy wood mint:

downy wood mint: a variety of wood mint with pink-purple flowers stacked to resemble a pagoda (Blephilia celiata)
wood mint: American herb of genus Blephilia with more or less hairy leaves and clusters of purplish or bluish flowers

downy wood mint (noun)	wood mint (noun)
a variety of wood mint with pink-purple flowers stacked to resemble a pagoda (Blephilia celiata)	American herb of genus Blephilia with more or less hairy leaves and clusters of purplish or bluish flowers