Cyrtomium Rhizome

NamingGuan zhong (Cyrtomium Rhizome)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of Guan ZhongOriginThe rhizome with leafstalk of Dryopteris crassirhizoma Nakai of family Dryopteridaceae.LocationMainly produced in the mountain area of Heilongjiang, Jilin and Liaoning provinces which i

NamingGuan zhong (Cyrtomium Rhizome)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of 贯众OriginThe rhizome with leafstalk of Dryopteris crassirhizoma Nakai of family Dryopteridaceae.LocationMainly produced in the mountain area of Heilongjiang, Jilin and Liaoning provinces which is usuall