The kanferblaar, Afrikaans common name for Pelargonium betulinum, gives a lavish display of large spring and summer flowers on this plant. 

Research under the auspices of SANBI, the Medical Research Council of South Africa and the University of the Western Cape determined the chemical composition of the medicinal components of this Pelargonium (http://www.plantzafrica.com/medmonographs/pelargbetul.pdf).