This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Family, Water Lily. Color, purple. Sepals and petals, 3 or 4. Stamens, 12 or more. Pistils, numerous. Flowers, in leaf-axils, small, dull purple. Leaves, floating, 2 to 3 inches wide, alternate, roundish or oval, on a central, long petiole. June to August.
Growing in ponds and sluggish streams, an aquatic from a creeping rootstock.
 
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