毛细辛(Asarum himalaicum Hook.f.et Thoms)又叫西南细辛,学名单叶细辛,是细辛属的一种。在我国分布于湖北、陕西、甘肃、四川、贵州、云南等省和西藏自治区;近年发现在宁夏六盘山区也有较大分布,但尚未开发利用。细辛属植物我国有40多种,其中绝大多数可供药用。目前中医习惯使用的辽细辛、华细辛药源有时短 Asanum himalaicum Hook.f.et Thoms is also known as Southwest Asarum. It is a species of Asphora which is known as Asarum. In China, it is distributed in Hubei, Shaanxi, Gansu, Sichuan, Guizhou, Yunnan, and Tibet Autonomous Regions. In recent years, it has been found that it is also widely distributed in Liupan Mountain in Ningxia, but it has not yet been developed and utilized. There are more than 40 species of Asarum in China, the vast majority of which are available for medicinal use. At present, the herbs used by traditional Chinese medicine are sometimes short.