red maids vs wild flower

red maids and wild flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
red maids	Yes	No	No	No
wild flower	Yes	No	No	No

As nouns, wild flower is a hypernym of red maids; that is, wild flower is a word with a broader meaning than red maids:

red maids: succulent carpet-forming plant having small brilliant reddish-pink flowers; southwestern United States
wild flower: wild or uncultivated flowering plant

Other hypernyms of red maids include wildflower.

red maids (noun)	wild flower (noun)
succulent carpet-forming plant having small brilliant reddish-pink flowers; southwestern United States	wild or uncultivated flowering plant