Tropical Africa: Angola, Burundi, Cameroon, Congo, Kenya, Malawi, Mozambique, Nigeria, Rwanda, S. Sudan, Tanzania, Uganda, Zaire, Zambia, Zimbabwe (Farjon 1998). Based on data from 37 collection localities, it grows at elevations of 1800 ±510 m. Within its range, mean annual temperature is 17.3°C, with an average minimum in the coldest month of 8.9°C, and a mean annual precipitation of 1460 mm (Biffin et al. 2011, Table S5).
Rendle. 1894. Trans. Linn. Soc. London, Bot. ser. 2, 4:61.
Last Modified 2017-12-29