Poinciana pulcherrima vs Caesalpinia pulcherrima

Poinciana pulcherrima and Caesalpinia pulcherrima both are nouns.

Word	Noun	Adjective	Verb	Adverb
Poinciana pulcherrima	Yes	No	No	No
Caesalpinia pulcherrima	Yes	No	No	No

As nouns, Poinciana pulcherrima and Caesalpinia pulcherrima are synonyms defined as:

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

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

Poinciana pulcherrima (noun)	Caesalpinia 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