coneflower vs wildflower

coneflower and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
coneflower	Yes	No	No	No
wildflower	Yes	No	No	No

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

Other hypernyms of coneflower include wild flower.

coneflower (noun)	wildflower (noun)
any of various perennials of the eastern United States having thick rough leaves and long-stalked showy flowers with drooping rays and a conelike center	wild or uncultivated flowering plant
any of various plants of the genus Rudbeckia cultivated for their large usually yellow daisies with prominent central cones
a wildflower of the genus Ratibida