There are fine serrations on young branches and budding branches, and dense hairs on leaf axils and petioles. The flowers are white, dioecious, and the cymes are terminal. Drupe oval, blue and black. The flowering period is May-June, and the fruit maturity is 9-65438+1October. Widely distributed in the northeast, northwest to east China, south China and long river basins, naturally distributed in sunny slopes and valleys at an altitude of 200 ~ 3000 m, and also distributed in Korea and Japan.