Penstemon palmeri vs wildflower

Penstemon palmeri and wildflower both are nouns.

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

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

Penstemon palmeri: fragrant puffed-up white to reddish-pink flowers in long narrow clusters on erect stems; Arizona to New Mexico and Utah
wildflower: wild or uncultivated flowering plant

Other hypernyms of Penstemon palmeri include wild flower.

Penstemon palmeri (noun)	wildflower (noun)
fragrant puffed-up white to reddish-pink flowers in long narrow clusters on erect stems; Arizona to New Mexico and Utah	wild or uncultivated flowering plant