TH FOTO-WERBUNG / SCIENCE PHOTO LIBRARY TH FOTO-WERBUNG / SCIENCE PHOTO LIBRARY
Bistort plants (Polygonum bistorta) in flower. The root of this plant is a powerful astringent used in herbal medicine to stop bleeding or other discharges. Preparations are used to treat cuts, nose bleeds and other wounds, diarrhoea, dysentry, cholera and haemorrhoids. It is also thought to have a tonic effect and be effective against poisons.
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