Sisyranthus is a group of plants in the family Apocynaceae first described as a genus in 1838.Meyer, Ernst Heinrich Friedrich. 1838. Commentariorum de Plantis Africae Australioris 197 in LatinTropicos, genus Sisyranthus It is native to southern Africa.Gibbs Russell, G. E., W. G. M. Welman, E. Retief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. Van Wyk & A. Nicholas. 1987. List of species of southern African plants. Memoirs of the Botanical Survey of South Africa 2(1–2): 1–152(pt. 1), 1–270(pt. 2).
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