Description from
Flora of China
Asclepias carnosa Linnaeus f., Suppl. Pl. 170. 1781; Hoya chinensis (Loureiro) Traill; Stapelia chinensis Loureiro.
Leaves deep green, not striate or spotted. Ovaries glabrous. Fl. Apr-Nov, fr. Jul-Dec.
Used medicinally for the treatment of encephalitis, pneumonia, and orchitis.
The identity of Stapelia chinensis is not certain, and the possible type belongs to a species different from H. carnosa.
Montane forests; 200-1200 m. Fujian, Guangdong, Guangxi, Hainan, Taiwan, Yunnan [India, ?Japan, Malaysia, Vietnam]