Polygonum bistorta root or snakeweed - adderwort
Also known as snakeweed, oderwort, adderwort and Easter mangiant the Polygonum bistorta is native to Asia and Northern Europe.
The snakeweed root is one of the most potent natural astringent known. Among its other medicinal properties are, demulcent, laxative, febrifuge, diuretic and styptic. Used externally it is an excellent remedy for wounds and small burns, bleeding, anal fissure, vaginal discharge, stomatitis, pharyngitis, sore throat and spongy gums. Applied to mouth ulcers it gives almost instant relief.
It is used in the treatment of dysentery, diarrhoea, cholera, IBS (irritable bowel syndrome), cystitis, catarrh, peptic ulcers, excessive menstrual flow and ulcerative colitis. It is also good for stopping nose bleeds and bleeding in haemorrhoids. It is most effective in staunching all type of external and internal bleeding including that of lungs, stomach, and passive bleedings.
In Chinese medicine, the snakeweed root is used to treat fever, hands and feet cramps, scrofula, mosquito bites, snake bites, carbuncles, tetanus, fever and epilepsy. The herb is also known to be beneficial in treating diabetes. The leaves of the plant are used for killing worms in children.