pride of barbados vs Caesalpinia pulcherrima

pride of barbados and Caesalpinia pulcherrima both are nouns.

Word	Noun	Adjective	Verb	Adverb
pride of barbados	Yes	No	No	No
Caesalpinia pulcherrima	Yes	No	No	No

As nouns, pride of barbados and Caesalpinia pulcherrima are synonyms defined as:

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

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

pride of barbados (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