paradise flower vs Poinciana pulcherrima

paradise flower and Poinciana pulcherrima both are nouns.

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

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

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

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

paradise flower (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