noun
of flowing waters of the southeastern United States; may form obstructive mats in streams
• Syn: ↑Nuphar sagittifolium
• Hypernyms: ↑water lily
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noun : a spatterdock (Nuphar sagittifolium) of flowing waters of the southeastern United States that has filmy submersed leaves and narrow oblong to lanceolate floating leaves, sometimes forms obstructive mats in larger streams, and is often planted in aquariums
Useful english dictionary. 2012.