Jones' penstemon vs wildflower

Jones' penstemon and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jones' penstemon	Yes	No	No	No
wildflower	Yes	No	No	No

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

Jones' penstemon: 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 Jones' penstemon include wild flower.

Jones' penstemon (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