牛膝(原变种) niu xi (yuan bian zhong)

Plants hairy or subglabrous. Leaves elliptic or elliptic-lanceolate. Spikes terminal or axillary, densely flowered. Tepals with a midvein.

Hillsides; 200-1800 m. Fujian, Hebei, Guangxi, Guizhou, Hubei, Jiangsu, Shaanxi, Shanxi, Sichuan, Taiwan, Xizang, Zhejiang [Bhutan, India, Indonesia, Korea, Laos, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Russia, Sikkim, Thailand, Vietnam].