A tree. It grows 15-22 m tall. It has a distinct trunk into the crown. The crown is flat topped. It loses its leaves in the winter. The leaves are alternate and simple. They are 5-12 cm long. They are at the ends of branches. The leaves are dark green and glossy. They turn scarlet in autumn. The flowers are small and greenish-white. They are on long hairy stalks. These are in small clusters in the axils of leaves. The fruit are plum like and 1-3 cm long. They are blue-black. The flesh is thin, oily and sour.