Knotweed (Bian Xu) By Grace Chen|2015-04-06T23:13:31+00:00January 1st, 2015|Categories: Medicinal Herbs|Tags: Diuretic, Expel Parasite Urinary Health, Itching, Toothache| 扁蓄 Common knotgrass (Bianxu) Pharmaceutical Name: Herba Polygoni avicularis Botanical Name: Polygonum [...] Read More