Hoodia officinalis subsp. officinalis Dinter

Shrub up to 0.3 m tall and 0.5(-1) m broad but mostly much smaller. Stems 35-65 mm thick, erect; tubercles joined into (14-)17-22 angles, each tipped with brown spine 4-6 mm long. Pedicel mostly <1 mm long; sepals 2.5-3.5 mm long, 1 mm broad at base. Corolla 10-14 mm diam., rotate to somewhat campanulate; outside pale green with brownish veins; inside red-brown to yellow-brown with tube much paler and yellowish behind corona, covered with small conical obtuse papillae each tipped with a fine bristle; lobes 3-5 mm long, 3.5-5.5 mm broad at base. Corona ±1.5-2.0 mm tall, 4 mm broad, mostly yellow, sometimes suffused with fine red dots and inner lobes brownish, usually finely pubescent on outside.