origin: growing in hillside slope,field,road side and ditch side in Inner Mongolia. chemical ingredient: the whole plant contains(dydimin) (hesperiolin) (isosakuranetin) (apigenin) (ursolic acid), saponin,lactone,colophony,protein and so on . Package type: Vacuum plastic bags,2.5kg/bags,10kg/carton,20kg/carton, 25kg/carton.