painted cup vs wild flower

painted cup and wild flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
painted cup	Yes	No	No	No
wild flower	Yes	No	No	No

As nouns, wild flower is a hypernym of painted cup; that is, wild flower 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
wild flower: wild or uncultivated flowering plant

Other hypernyms of painted cup include wildflower.

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