9a. Stephania japonica var. japonica
千斤藤(原变种) qian jin teng (yuan bian zhong)
Menispermum japonicum Thunberg in Murray, Syst. Veg., ed. 14, 892. 1784.
Stems glabrous or sparsely pubescent. Petiole 3-12 cm; leaf blade abaxially glabrous except sometimes near petiole. Peduncle almost absent; inflorescence axes glabrous. Male flowers: sepals obovate-elliptic to spatulate, glabrous. Drupes obovate to suborbiculate, ca. 8 mm; condyle usually not perforate.
Village margins, shrublands in open fields. Anhui, Fujian, Hainan, S Henan (Jigong Shan), Hubei, Hunan, Jiangsu, Jiangxi, Zhejiang [India, Japan, Korea, Malaysia, Sri Lanka, Thailand; Australia, Pacific islands].