胡黄连

NamingHu Huang Lian (Rhizoma Picrorhizae)——Xin Xiu Ben Cao (Newly Revised Materia Medica)The Processing of Hu Huang LianOriginThe rhizome of Picrorhiza serophulariiflora Pennell of family Scrophulariacea.LocationMainly in Yunnan province and Tibet Autonomous Region of China.HarvestCollected in autum