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Knotweed (Polygonum spp.) in Prince Edward Island Northern Bushcraft
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Knotweed

Polygonum spp.
  • seeds are edible.
  • seeds can be eaten whole or pounded into meal.
  • plants can be cooked and eaten.
  • varieties in Prince Edward Island are Common knotgrass (Polygonum aviculare) and Common knotweed (Polygonum arenastrum).
  • grows as a weed in a wide range, including dry areas, plains, and subapline regions.
  • raw plants eaten in quantity may cause stomach upset and/or diarrhea.
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Related topics: Edible Plants of PE - Edible Berries of PE - Edible Mushrooms of PE
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