blazing star vs wildflower

blazing star and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
blazing star	Yes	No	No	No
wildflower	Yes	No	No	No

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

blazing star: any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads
wildflower: wild or uncultivated flowering plant

Other hypernyms of blazing star include wild flower.

blazing star (noun)	wildflower (noun)
any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads	wild or uncultivated flowering plant
biennial of southwestern United States having white stems and toothed leaves that is grown for its large pale yellow flowers that open in early morning