flamingo plant vs tailflower

flamingo plant and tailflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
flamingo plant	Yes	No	No	No
tailflower	Yes	No	No	No

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

flamingo plant: commonly cultivated anthurium having bright scarlet spathe and spadix
tailflower: any of various tropical American plants cultivated for their showy foliage and flowers

Other hypernyms of flamingo plant include anthurium, tail-flower.

flamingo plant (noun)	tailflower (noun)
commonly cultivated anthurium having bright scarlet spathe and spadix	any of various tropical American plants cultivated for their showy foliage and flowers