flamboyant tree vs Poinciana pulcherrima

flamboyant tree and Poinciana pulcherrima both are nouns.

Word	Noun	Adjective	Verb	Adverb
flamboyant tree	Yes	No	No	No
Poinciana pulcherrima	Yes	No	No	No

As nouns, flamboyant tree and Poinciana pulcherrima are synonyms defined as:

flamboyant tree and Poinciana pulcherrima: tropical shrub or small tree having showy yellow to orange-red flowers; sometimes placed in genus Poinciana

Other synonyms of flamboyant tree include Caesalpinia pulcherrima, paradise flower, pride of barbados.

flamboyant tree (noun)	Poinciana pulcherrima (noun)
tropical shrub or small tree having showy yellow to orange-red flowers; sometimes placed in genus Poinciana	tropical shrub or small tree having showy yellow to orange-red flowers; sometimes placed in genus Poinciana