Yan Hu Suo

NamingYan Hu Suo (Rhizoma Corydalis)——Lei Gong Pao Zhi Lun (Lei’s Treaties on Preparation of Drugs)The Processing of 延胡索OriginThe dry tuber of perennial herbaceous plant Corydalis yanhusuo W. T. Wang of family Papaveraceae.LocationZhejiang, Jiangsu and Hubei provinces in China.HarvestCollected in th

NamingYan Hu Suo (Rhizoma Corydalis)——Lei Gong Pao Zhi Lun (Lei’s Treaties on Preparation of Drugs)The Processing of Rhizoma CorydalisOriginThe dry tuber of perennial herbaceous plant Corydalis yanhusuo W. T. Wang of family Papaveraceae.LocationZhejiang, Jiangsu and Hubei provinces in China.HarvestC