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Smartweed

Polygonu Hydropiper

Because of its hot, biting flavor, common smartweed is believed to have been used as early as prehistoric times as a seasoning for food. The plant also yields a golden yellow dye. Experiments indicate that extracts of smartweed have hemostatic properties (help stop bleeding), and lower the blood pressure. Animal studies suggest the plant has contraceptive effects. There is little evidence that it remedies diarrhea.

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