engelmannia vs wild flower

engelmannia and wild flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
engelmannia	Yes	No	No	No
wild flower	Yes	No	No	No

As nouns, wild flower is a hypernym of engelmannia; that is, wild flower is a word with a broader meaning than engelmannia:

engelmannia: common erect hairy perennial of plains and prairies of southern and central United States having flowers that resemble sunflowers
wild flower: wild or uncultivated flowering plant

Other hypernyms of engelmannia include wildflower.

engelmannia (noun)	wild flower (noun)
common erect hairy perennial of plains and prairies of southern and central United States having flowers that resemble sunflowers	wild or uncultivated flowering plant