Flowers 4-to 5-merous. Hypanthium small, globose to cup-shaped. Sepals small, triangular or ovate to depressed or obsolete; exterior teeth usually present, conic or subulate, small. Petals ovate to lanceolate or triangular, usually acute or subacute, commonly cucullate at the summit and often exceeded by a minute exterior tooth. Stamens isomorphic; filaments slender, glabrous; anthers oblong, usually obtuse, opening by a large terminal pore; connective simply or briefly prolonged below the thecae, rarely with minute basal lobes. Ovary inferior, 4-to 5-celled; style slender; stigma truncate to capitate. Fruit a many-seeded berry. Shrubs or trees with small cluster of flowers at the leafless nodes or rarely in the axils of the leaves.