Aristolochia fanchi (English spelling) Aristolochiafanchi

...Name of herbal medicine. In China, it refers to the stems and rhizomes of the creeping plant Stephania tetrandra S. Moore (fine baoyi, cucumber baoyi), which belongs to the Menispermaceae family, as well as the vines Aristolochia fanchi Wu (wide baoyi), which belongs to the Aristolochiaceae family, and in Japan, it refers to the roots of Sinomenium acutum Rhed.et Wils. (Han baoyi), which belongs to the Menispermaceae family. In addition, what is called Wood baoyi is the blue baoyi Cocculus trilobus (Thunb.) DC., which belongs to the Menispermaceae family, in both China and Japan, so there is confusion between the names and the original plants, and the ingredients and uses are slightly different. ...

*Some of the terminology that mentions "Aristolochia fanchi" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…生薬名。中国産はツヅラフジ科のつる植物シマハスノハカズラStephania tetrandra S.Moore(粉防已，瓜防已（かぼうい）)のほかに，ウマノスズクサ科のつる植物Aristolochia fanchi Wu(広防已)などの茎および根茎を，また日本産はツヅラフジ科のオオツヅラフジSinomenium acutum Rhed.et Wils.(漢防已)の根をさす。また，木防已と称するものは中国産，日本産ともにツヅラフジ科のアオツヅラフジCocculus trilobus (Thunb.) DC.であり，名称と基原植物が混乱しているうえに，成分および用途も多少異なる。…

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出典｜株式会社平凡社世界大百科事典 第２版について | 情報