heliopsis vs wildflower

heliopsis and wildflower both are nouns.

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

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

heliopsis: any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers
wildflower: wild or uncultivated flowering plant

Other hypernyms of heliopsis include wild flower.

heliopsis (noun)	wildflower (noun)
any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers	wild or uncultivated flowering plant