来源药材基源:为豆科植物四川长柄山蚂蝗Podocar pium pldocarpum (DC.)Yang et Huang var .szechuenense (Craib)Yang et Huang的根皮。,拉丁植物动物矿物名:Podocar pium pldocarpum (DC.)Yang et Huang var .szechuenense (Craib)Yang et Huang [Desmodium szechuenense(Craib)A.K.Schindl.],采收和储藏:6-7月采挖根,剥取皮,切段,鲜用或晒干。