Hoodia gordonii (Masson) Sweet ex Decne. [ Scytanthus gordonii (Masson) Hook.]
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Hoodia gordonii (Masson) Sweet ex Decne. [ Stapelia gordonii Masson] [Acanthaceae]
W.J. Hooker, J.D. Hooker, Icon. Pl., vol. 7 : t. 625 (1844) [n.a.]