Knotweed
  • seeds are edible.
  • seeds can be eaten whole or pounded into meal.
  • plants can be cooked and eaten.
  • varieties in the Pacific Northwest are Common knotgrass (Polygonum aviculare), Common knotweed (Polygonum arenastrum), and Mountain knotweed (Polygonum douglasii).
  • 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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