woolly sunflower vs wildflower

woolly sunflower and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
woolly sunflower	Yes	No	No	No
wildflower	Yes	No	No	No

As nouns, wildflower is a hypernym of woolly sunflower; that is, wildflower is a word with a broader meaning than woolly sunflower:

Other hypernyms of woolly sunflower include wild flower.

woolly sunflower (noun)	wildflower (noun)
any plant of the genus Eriophyllum	wild or uncultivated flowering plant