Nuphar spp.


  • seeds are edible after drying, popping, or frying, and can subsequently be ground to flour.

  • seeds can be taken from dried capsules.

  • rhizome is edible after prolonged boiling with several changes of water.

  • rhizome can be roasted or boiled, then peeled and either eaten or thinly sliced for drying and then either stored or ground into flour .

  • varieties in the Pacific Northwest include Yellow cow-lily (Nuphar lutea) and Western cow-lily (Nuphar polysepala).

  • grows in shallow, calm water in plains, montane, and subalpine regions.

  • warning: eat in moderation, large amounts may be poisonous.

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Tacoma, WA


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