paradise flower vs Caesalpinia pulcherrima

paradise flower and Caesalpinia pulcherrima both are nouns.

Word	Noun	Adjective	Verb	Adverb
paradise flower	Yes	No	No	No
Caesalpinia pulcherrima	Yes	No	No	No

As nouns, paradise flower and Caesalpinia pulcherrima are synonyms defined as:

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

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

paradise flower (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