painted cup vs wildflower

painted cup and wildflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
painted cup	Yes	No	No	No
wildflower	Yes	No	No	No

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

painted cup: any of various plants of the genus Castilleja having dense spikes of hooded flowers with brightly colored bracts
wildflower: wild or uncultivated flowering plant

Other hypernyms of painted cup include wild flower.

painted cup (noun)	wildflower (noun)
any of various plants of the genus Castilleja having dense spikes of hooded flowers with brightly colored bracts	wild or uncultivated flowering plant