Gerea canescens vs wildflower

Gerea canescens and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gerea canescens	Yes	No	No	No
wildflower	Yes	No	No	No

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

Gerea canescens: slender hairy plant with few leaves and golden-yellow flower heads; sandy desert areas of southeastern California to southwestern Utah and western Arizona and northwestern Mexico
wildflower: wild or uncultivated flowering plant

Other hypernyms of Gerea canescens include wild flower.

Gerea canescens (noun)	wildflower (noun)
slender hairy plant with few leaves and golden-yellow flower heads; sandy desert areas of southeastern California to southwestern Utah and western Arizona and northwestern Mexico	wild or uncultivated flowering plant