poinciana vs Caesalpinia gilliesii

poinciana and Caesalpinia gilliesii both are nouns.

Word	Noun	Adjective	Verb	Adverb
poinciana	Yes	No	No	No
Caesalpinia gilliesii	Yes	No	No	No

As nouns, poinciana and Caesalpinia gilliesii are synonyms defined as:

poinciana and Caesalpinia gilliesii: a tropical flowering shrub having bright orange or red flowers; sometimes placed in genus Poinciana

Other synonyms of poinciana include bird of paradise, Poinciana gilliesii.

poinciana (noun)	Caesalpinia gilliesii (noun)
a tropical flowering shrub having bright orange or red flowers; sometimes placed in genus Poinciana	a tropical flowering shrub having bright orange or red flowers; sometimes placed in genus Poinciana