sticky aster vs wildflower

sticky aster and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
sticky aster	Yes	No	No	No
wildflower	Yes	No	No	No

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

sticky aster: wild aster having leafy stems and flower heads with narrow bright reddish-lavender or purple rays; western Colorado to Arizona
wildflower: wild or uncultivated flowering plant

Other hypernyms of sticky aster include wild flower.

sticky aster (noun)	wildflower (noun)
wild aster having leafy stems and flower heads with narrow bright reddish-lavender or purple rays; western Colorado to Arizona	wild or uncultivated flowering plant