Polygonum bistorta Polygonum bistorta, commonly known as common bistort, European bistort or meadow bistort, is a semi-evergreen herbaceous belonging to Polygonaceae family. It is known by its basal foliage consisting of dark-green, large and lanceolate leaves. The leafless stem bears hermaphrodite pink flowers clustered in a spike. It is cultivated as a culinary and medicinal plant. Datasheet Common Namecommon bistort,European bistort,meadow bistort Botanical namePolygonum bistorta FamilyPolygonaceae Life CyclePerennialFoliageSemi-evergreenBasic ColourpinkHeight20 -> 80 cmHabitatMeadows and mountainous areasAltitude2400 mBloom TimeMay -> OctoberPlant TypeHerb, MedicinalFruit TypeAchenedifferent tolerancesTell usUsed PartsFlower, Leaf, Stem, RootPlant UsesMedicine , CulinaryActive substancesTannin, starch, gallic acids, oxalic acid USDA Zone3 (-40), 4 (-35), 5 (-29), 6 (-23)Sun ExposureSun, Part shadeSoil pHNeutralSoil MoistureDry, MoistSoil Type Silty, PeatyPropagationby seeds / by sowing, by division, Self sowsGerminationTell us Pests/ DiseasesTell us Open Next Page To See More Photos. Polygonum bistorta Polygonum bistorta