Shrubs or small trees. Leaves alternate, petiolate, simple or 3-foliolate; leaflets entire or panduriform. Stipules often caducous. Flowers in terminal or axillary racemes. Calyx closed at first, later rupturing transversely, the “ lid ” often remaining attached at one side. Petals 0. Receptacle obconical or cylindrical. Stamens numerous; filaments free, sinuous or crisped. Gynophore well developed; ovary 1-locular or occasionally appearing multi-locular due to the development of spurious dissepiments from the 5–6 lateral placentas, multi-ovulate; stigma sessile, suborbicular. Fruits oblong, ribbed, many-seeded.