Damuzhuteng;Cayratiae Oligocarpae Radix seu Folium Sources:The drug is the dried root or leaf of Cayratia oligocarpa(Levl.et Van)Gagnep.(Family Vitaceae).growing in mountainous forests,distributed in jiangxi,Fujian,Hubei,Hunan,Sichuan and Guizhou of China. Actions and Indications:The root and leaf are used to remove wind-damp and obstruction in the channels,for the treatment of toothache,rheumatic arthritis,innominate inflammatory swelling.