English edit

 
Sagittaria latifolia

Noun edit

duck potato (plural duck potatoes)

  1. A North American water plant with edible tubers, especially
    1. broadleaf arrowhead (Sagittaria latifolia)
    2. arum-leaved arrowhead (Sagittaria cuneata)
    Synonyms: wapato, arrowhead, Indian potato, swamp potato

References edit