mountain anemone vs windflower

mountain anemone and windflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
mountain anemone	Yes	No	No	No
windflower	Yes	No	No	No

As nouns, windflower is a hypernym of mountain anemone; that is, windflower is a word with a broader meaning than mountain anemone:

mountain anemone: silky-foliaged herb of the Rocky Mountains with bluish-white flowers
windflower: any woodland plant of the genus Anemone grown for its beautiful flowers and whorls of dissected leaves

Other hypernyms of mountain anemone include anemone.

mountain anemone (noun)	windflower (noun)
silky-foliaged herb of the Rocky Mountains with bluish-white flowers	any woodland plant of the genus Anemone grown for its beautiful flowers and whorls of dissected leaves