Tengduzhong;Parabarii Micranthi Caulis et Radix Sources:The drug is the stem and root of Parabarium micranthum(A.DC.)Pierre(family Apocynaceae),growing in thin forest on hills,mountainside,valley and stream side,distributed in Guangdong,Guangxi and Yunnan. Actions and Indications:It is used to relax the tendons and activate blood,eliminate hematoma,strengthen the body and invigorate the kidneys,for the treatment of infantile paralysis,osteodynia due to wind-wetness evil,wound,fracture,abdominal pain.