印度羊角藤(原亚种) yin du yang jiao teng (yuan ya zhong)

Petiole glabrous; leaf blade drying rigid-membranous, lanceolate to linear-lanceolate. Fl. Jun-Jul, fr. Oct-Nov.

Forests on mountains, sparse or dense thickets at streamsides and roadsides; 300-1200 m. Anhui, Fujian, Guangdong, Guangxi, Hainan, Hunan, Jiangsu, Jiangxi, Taiwan, Zhejiang [India, Japan, Sri Lanka].