van Wyk, A. E., H.G.W.J. Schweickerdt Herbarium. Department of Plant Science, University of Pretoria

• Vol 39, No 2 (2009) - Original Research
  Taxonomy of the genus Keetia (Rubiaceae-subfam. Ixoroideae-tribe Vanguerieae) in southern Africa, with notes on bacterial symbiosis as well as the structure of colleters and the ‘stylar head’ complex
  Abstract  PDF