gamboge tree vs flowering tree

gamboge tree and flowering tree both are nouns.

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

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

gamboge tree: low spreading tree of Indonesia yielding an orange to brown gum resin (gamboge) used as a pigment when powdered
flowering tree: any tree having seeds and ovules contained in the ovary

Other hypernyms of gamboge tree include angiospermous tree.

gamboge tree (noun)	flowering tree (noun)
low spreading tree of Indonesia yielding an orange to brown gum resin (gamboge) used as a pigment when powdered	any tree having seeds and ovules contained in the ovary