Stapelia gordonii Mass. Scytanthus gordonii (Mass.) Hook. Monothylaceum gordonii (Mass.) G. Don Hoodia whitesloaneanaDinter ex A. White & Sloane Hoodia rosea Oberm. & Letty Hoodia pillansiiN. E. Br. Hoodia langii Oberm. & Letty Hoodia husabensisNel Hoodia burkei N E. Brown Hoodia barklyiDyer Hoodia bainiiDyer Hoodia albispina N E. Brown Gonostemon gordonii (Mass.) Sweet