Stephania tetrandra
Stephania tetrandra is a herbaceous perennial vine of the Menispermaceae family native to China and Taiwan. It grows from a short, woody caudex, climbing to a height of around three meters. The leaves are arranged spirally on the stem, and are peltate, i.e. with the leaf petiole attached near the centre of the leaf. Its root is used in traditional Chinese medicine (TCM).
Distribution and habitat
Stephania tetrandra occurs in shrublands at village margins, open fields, and roadsides in South Central and East China in Anhui, Fujian, Guangdong, Guangxi, Hainan, Hubei, Hunan, Jiangxi, and Zhejiang provinces, and in Taiwan.
Etymology in Chinese medicine
Stephania tetrandra is among the 50 fundamental herbs used in TCM. The standard pinyin according to the Chinese [Herbal] Pharmacopia of the People's Republic of China (Chinese: 中华人民共和国药典; pinyin: Zhonghua Renmin Gongheguo Yao Dian) is: fen fang ji (Chinese: 粉防己; pinyin: fěn fáng jǐ), but it is more commonly known as Han Fang ji (Chinese: 漢防己; pinyin: hàn fáng jǐ).
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