[Nuphar advena var. fraterna (Aiton) W.T.Aiton, more...]
Etymology: Nuphar: ultimately from the Persian word nufar
Plants: floating, perennial aquatic; from large, spongy rhizome with the old leaf scars forming spirals
Leaves: 2"-6" roundly arrow-shaped with rounded sometimes overlapping lobes, leaf notch usually less than half as long as the midrib, most floating, the stalk flattened and slightly winged
Flowers: yellow with reddish color inside, 7 or more-parted, 1"-2" wide, held above the water, globe or saucer shaped, mostly 6 sepals; solitary; blooms June-Aug.
Habitat: sun to shade; water less than 7' deep; in sediment soil
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 6 USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Wetland Plants: Photos, descriptions, information