A genus of leguminous plants of the suborder <em>Cæsalpinieæ</em> and tribe <em>Eucæsalpinieæ</em>, characterized by the five valvate calyx-lobes, five nearly equal orbicular petals, ten distinct declined stamens, and hard flat two-valved many-seeded pods.
User Defined Definitions
"small subgenus of ornamental tropical shrubs or trees; not recognized in some classifications"
"a tropical flowering shrub having bright orange or red flowers; sometimes placed in genus Poinciana"