trumpet tree vs flowering tree

trumpet tree and flowering tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
trumpet tree	Yes	No	No	No
flowering tree	Yes	No	No	No

As nouns, flowering tree is a hypernym of trumpet tree; that is, flowering tree is a word with a broader meaning than trumpet tree:

trumpet tree: tropical American tree with large peltate leaves and hollow stems
flowering tree: any tree having seeds and ovules contained in the ovary

Other hypernyms of trumpet tree include angiospermous tree.

trumpet tree (noun)	flowering tree (noun)
tropical American tree with large peltate leaves and hollow stems	any tree having seeds and ovules contained in the ovary