Psychotria capensis (SA Tree No. 723) has two subspecies (subsp. capensis with flower stalks and ssp. riparia without), each of which having at least two variations as well. The common name, black bird-berry, refers to the ripe fruit colour and the consumers who also disperse seed. Why it
Widespread distribution involving variation in climatic conditions, elevation, pollinators, soil types, competing vegetation and more factors, can be expected to result in greater variety of evolutionary adaptations in the plant concerned as well.
A specimen like the one in picture, living well at Kirstenbosch (beyond the confines of its habitat, but clearly thriving), is likely to look different to one that ekes out an existence in dry parts of the Eastern Cape or languishes in the hot and humid northeast of subtropical South Africa (Coates Palgrave, 2002; Pooley, 1993).