Penstemon parryi vs wildflower

Penstemon parryi and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Penstemon parryi	Yes	No	No	No
wildflower	Yes	No	No	No

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

Penstemon parryi: erect stems with pinkish-lavender flowers in long interrupted clusters; Arizona
wildflower: wild or uncultivated flowering plant

Other hypernyms of Penstemon parryi include wild flower.

Penstemon parryi (noun)	wildflower (noun)
erect stems with pinkish-lavender flowers in long interrupted clusters; Arizona	wild or uncultivated flowering plant