Annual or perennial herbs or subshrubs.
Leaves alternate, entire or repand. Flowers pedicellate, axillary, solitary or
2-3 together. Calyx campanulate, minutely 5-toothed or subentire, much shorter
than fruit. Corolla rotate, valvate. Stamens adnate nearly to the base of
corolla tube. Filaments short, anthers with longitudinal dehiscence. Ovary
2-celled, rarely 3-celled, stigmas subcapitate. Fruits globose or elongated or
irregular shaped, many-seeded berry. Seeds discoid, smooth or subscabrous.