Caesalpinia gilliesii vs poinciana

Caesalpinia gilliesii and poinciana both are nouns.

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

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

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

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

Caesalpinia gilliesii (noun)	poinciana (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