flame tree vs bottle tree

flame tree and bottle tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
flame tree	Yes	No	No	No
bottle tree	Yes	No	No	No

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

flame tree: south Australian tree having panicles of brilliant scarlet flowers
bottle tree: an Australian tree of the genus Brachychiton

Other hypernyms of flame tree include bottle-tree.

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

Other hypernyms of flame tree include bottle-tree.

flame tree (noun)	bottle tree (noun)
south Australian tree having panicles of brilliant scarlet flowers	an Australian tree of the genus Brachychiton
north Australian tree having white flowers and broad leaves
a terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers; parasitic on roots of grasses
showy tropical tree or shrub native to Madagascar; widely planted in tropical regions for its immense racemes of scarlet and orange flowers; sometimes placed in genus Poinciana
tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery