Parry's penstemon vs wildflower

Parry's penstemon and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Parry's penstemon	Yes	No	No	No
wildflower	Yes	No	No	No

As nouns, wildflower is a hypernym of Parry's penstemon; that is, wildflower is a word with a broader meaning than Parry's penstemon:

Parry's penstemon: erect stems with pinkish-lavender flowers in long interrupted clusters; Arizona
wildflower: wild or uncultivated flowering plant

Other hypernyms of Parry's penstemon include wild flower.

Parry's penstemon (noun)	wildflower (noun)
erect stems with pinkish-lavender flowers in long interrupted clusters; Arizona	wild or uncultivated flowering plant