Family: Nymphaeaceae
bull-head pond-lily
[Nuphar advena var. fraterna (Aiton) W.T.Aiton, more...]
Christopher Noll
Scott A. Milburn
University of Wisconsin - Madison (WIS-VP)
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
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
Scott A. Milburn
Christopher Noll
Paul Skawinski
Robert W. Freckmann
Robert R. Kowal
Paul Skawinski
Paul Skawinski
Keir Morse
Robert W. Freckmann
Robert W. Freckmann
Brenton Butterfield
Brenton Butterfield
Brenton Butterfield
Brenton Butterfield
Brenton Butterfield
Brenton Butterfield
