snow plant vs wildflower

snow plant and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
snow plant	Yes	No	No	No
wildflower	Yes	No	No	No

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

snow plant: a fleshy bright red saprophytic plant of the mountains of western North America that appears in early spring while snow is on the ground
wildflower: wild or uncultivated flowering plant

Other hypernyms of snow plant include wild flower.

snow plant (noun)	wildflower (noun)
a fleshy bright red saprophytic plant of the mountains of western North America that appears in early spring while snow is on the ground	wild or uncultivated flowering plant