Shrubs or sub shrubs, mostly glabrous. Leaves alternate, usually coriaceous with obscure nerves. Inflorescence dense of terminal or axillary cyme with small white flowers. Calyx 5-partite, usually without glands. Corolla 5-lobed, hypocrateriform, tube cylindrical with a constricted hairy throat within. Stamens included, inserted above the middle of the tube, filaments short with lanceolate anthers. Disc absent or present and annular. Carpels free; ovules many, biseriate in each ovary, style filiform, stigma usually with somewhat membranous reflexed structure, globose. Follicle erect, cylindrical. Seeds many oblong, subterete compressed, truncate or winged with oblong cotyledons.