Evergreen shrubs or small trees. Height 2 ~ 10m. The shoots are spineless or axillary. Leaves alternate and leathery; The petiole length is 4 ~ 10 mm; Leaf blade is broadly ovoid, ovoid to oval, 3 ~ 7 cm long and 2 ~ 5 cm wide, with tapering apex, rounded or broadly wedge-shaped base, serrated edge and 4 ~ 6 pairs of lateral veins. Flowers dioecious; Racemes axillary, long 1 ~ 2 cm; Pedicel is very short; Sepals 4 ~ 6; No petals; Male flowers have many stamens, filaments are several times longer than calyx, and anthers are T-shaped. The ovary of the female flower is superior, inserted on the glandular disc, with cells 1, many ovules and 2-lobed thick stigma. Berry is spherical, about 5 mm in diameter, black at maturity, with 2 ~ 3 seeds and brown-black stripes. Flowers bloom in March.