... purple golden dragon, active blood dragon, the moon and sun lotus root. It is the stem and rootstock of Giant Knotweed Rhizome ... a small stream or where is dim and wet under the forest. It is chiefly produced in JiangSu, ZheJiang ,AnHui ... Coli: Negative [Pharmacological Function] Antibiotic antivirus,antitumor,resists the hepatitis,suppresses the agglutinate production with plain B2 of thrombus of blood ...