Penstemon dolius vs wildflower

Penstemon dolius and wildflower both are nouns.

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

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

Penstemon dolius: low plant with light blue and violet flowers in short clusters near tips of stems; Nevada to Utah
wildflower: wild or uncultivated flowering plant

Other hypernyms of Penstemon dolius include wild flower.

Penstemon dolius (noun)	wildflower (noun)
low plant with light blue and violet flowers in short clusters near tips of stems; Nevada to Utah	wild or uncultivated flowering plant