Fanbaichai;Cotoneasteri Salicifolii Herba Sources:The drug is the herb of Cotoneaster salici folius Franch.(family Rosaceae),growing in rocky on top of mountain and distributed in Sichuan and Yunnan. Constituents:The fruit contains prussic acid.The leaf and bark contains cyanide. Actions and Indications:It is used to expel wind-heat evil,for the treatment of dry cough and dysphonia,color of the hair turning to yellow due to the spleen is averse to wetness evil,fresh blood in stool and oliguria.