Harpagophytum zeyheri Decne.
Medicinal parts:tuberous secondary roots
Native to:Angola, Botswana, Caprivi Strip, Mozambique, Namibia, Northern Provinces, Zambia, Zimbabwe
Homotypic Synonyms:Uncaria zeyheri (Decne.) Kuntze in Revis. Gen. Pl. 2: 481 (1891)
Original plants and herbarium:
