poinciana vs Poinciana gilliesii

poinciana and Poinciana gilliesii both are nouns.

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

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

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

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

poinciana (noun)	Poinciana 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