A shrub or tree. It has many branches or a crooked trunk. It grows 8 m high. The bark is pale grey and becomes scaly. The leaves are spaced or in loose clusters or arranged in spirals. The leaves are 2-6 cm long by 1.2-3 cm wide. They are sword shaped. There are 5-7 pairs of secondary veins. The leaf stalk is 1-5 mm long. The flowers are of one sex with the different sexes on separate trees. The flowers occur in tufts of 1-10 flowers. The flowers are pale green to white. The fruit are 1.2-1.4 cm long. They turn purple or black when ripe. The fruit are edible. There is one seed. It is 0.8-1 cm long.