A medium sized tree which loses many of its leaves during the year. It grows to 7-12 m tall and spreads to 3 m across. The stem is erect and the branches hang downwards. The bark is dark grey or black, corky and deeply cracked. The tree has a rounded crown. The leaves are arranged in spirals. The leaves are oval and broad. They are leathery with a blunt tip. They narrow towards the base. They are 3-8 cm long and 1.5-3 cm across. They are slightly shiny and light to dark green. The leaf stalk is 1-3 cm long. The flowers are cream coloured but not easily seen. They occur on spikes 5-10 cm long in the axils of leaves towards the ends of small branches. The fruit are dark purple of black and round. They are 2.5 cm across. They have thin flesh and a smooth, hard woody shell around the one seed. The flesh of the fruit is edible but sour. The kernel is edible.