Rothmannia capensis is a South African tree belonging to the Rubiaceae, usually about 5 m high in the open, but reaching 20 m under forest conditions. It occurs from the south-western Cape Province along the coastal regions and inland to the Waterberg and Soutpansberg in the Transvaal. It is a common tree on the Witwatersrand in Johannesburg. It produces abundant sweetly fragrant flowers in summer, and these are followed by smooth, dark green spherical fruits about 80mm in...