Nuphar luteum
Spatterdock
Nymphaeaceae
Interesting info:
Various botanical names: Nuphar luteum, Nuphar advena, Luteum variegatum, Lutem macrophyllum.
Common names: Spatterdock,Yellow Water Lily, Yellow Pond Lily
Spatterdock was long used in traditional medicine, with the root applied to the skin and/or both the root and seeds eaten for a variety of conditions. The seeds are edible, and can be ground into flour. The root is edible too, but can prove to be incredibly bitter in some plants
David G. Smith - delawarewildflowers.org
You ought to know:
Area: floats on water
Height:
Frequency:
Blooms: Late Spring