Herbs. shrubs or small trees, often prickly or hairy. Leaves simple or divided. Flowers rarely solitary. Calyx campanulate, 5-lobed, sometimes enlarging in fruit. Corolla rotate; lobes 5, spreading or recurved. Stamens attached near mouth of corolla tube, exserted; anthers cone-like, with bases adnate to one another, dehiscence by 2 apical pores. Fruit a berry. Seeds compressed.