Hawaii Pharm Hu Zhang Liquid Extract, Hu Zhang (Polygonum Cuspidatum) Root Powder Tincture Supplement

The origin of Hu Zhang (Polygonum Cuspidatum) is Japan, China and Korea. Hu Zhang, commonly known as Japanese knotweed is a bare perennial herb with numerous hollow up straight stems up to 3 m tall, rarely branched in the upper part, longitudinally lined, often with reddish-purple spots. The rhizome is thickened, highly branched, and ligneous, with ring-shaped structures. The leaves on both sides are devoid of any pubescence, a little leathery, ovate to wide elliptical in shape. The fruit is 2-4 mm long, about 2 mm wide, brilliantly black or dark brown.