Trees unarmed. Leaves bipinnate. Inflorescences axillary, racemose, aggregated near the ends of the branchlets; bracts small, inconspicuous, deciduous or persistent. Flowers large, showy, bisexual. Sepals 5, valvate. Petals 5, obovate, transversely elliptic or reniform, conspicuously clawed. Stamens 10, fertile, exserted; filaments pubescent or tomentose below; anthers dorsifixed, longitudinally dehiscing. Ovary shortly stipitate, pubescent to glabrous, many-ovuled; style about equalling the length of stamens. Seeds transverse, hard, oblong-subcylindrical to oblong- elliptic.
Madagascar: present from E Africa through Arabia to India: present
Species 10, from E Africa through Arabia to India, most of the species occurring in Madagascar. One species, with magnificent scarlet flowers, is widely cultivated throughout the Tropics.