- Poinciana, subgenus Poinciana - small subgenus of ornamental tropical shrubs or trees; not recognized in some classifications
--1 is a kind of rosid dicot genus
--1 is a member of Caesalpinia, genus Caesalpinia - bird of paradise, poinciana, Caesalpinia gilliesii, Poinciana gilliesii - a tropical flowering shrub having bright orange or red flowers; sometimes placed in genus Poinciana
--2 is a kind of flowering shrub
--2 is a member of Caesalpinia, genus Caesalpinia