Polygonum Aviculare L.
Whole Plant. Known as Knotgrass, Knotweed and Polygonum. Used to drain damp-heat from the urinary bladder, promotes urination and unblock painful urinary dysfunction. Also expels parasites and stops itching. Enter Meridians: Bladder. All Phoenix Medical dry authentic herbs and concentrated herbal granules are free of sulphur, herbicides and pesticides.