Family: Haloragaceae
Eurasian water-milfoil, European water-milfoil, spike water-milfoil
Andrew Hipp
Paul Skawinski
University of Wisconsin - Madison (WIS-VP)
Etymology: Myriophyllum: from Greek myrios, "numberless," and phyllon, "leaf," alluding to the many divisions of the submerged leaves of these aquatic plants
Plants: perennial, submersed aquatic; stems with a few branches, light colored, winter bud's stems U-shaped at the base; from rhizomes
Leaves: 4 -5 leaves per whorl, short-stalked; finely, pinnately-divided into 5-12 pairs of thread-like leaflets, the lower ones longer than the upper ones
Flowers: red, 4-parted, winter buds cylindrical; inflorescence a spike held above the water with whorled flowers from axils of short, mostly smooth-edged bracts
Fruits: 4 parted with mostly a smooth surface
Habitat: lakes, shallow to more than 16' deep, fairly clear water; in soft sediment soil
Plants: perennial, submersed aquatic; stems with a few branches, light colored, winter bud's stems U-shaped at the base; from rhizomes
Leaves: 4 -5 leaves per whorl, short-stalked; finely, pinnately-divided into 5-12 pairs of thread-like leaflets, the lower ones longer than the upper ones
Flowers: red, 4-parted, winter buds cylindrical; inflorescence a spike held above the water with whorled flowers from axils of short, mostly smooth-edged bracts
Fruits: 4 parted with mostly a smooth surface
Habitat: lakes, shallow to more than 16' deep, fairly clear water; in soft sediment soil
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
Paul Skawinski
Robert W. Freckmann
Robert W. Freckmann
Paul Skawinski
Paul Skawinski
Paul Skawinski
Paul Skawinski
Merel R. Black
Steve C. Garske
Matthew L. Wagner
Dennis W. Woodland
Paul Skawinski
Paul Skawinski
Steve C. Garske
Steve C. Garske
Paul Skawinski
Paul Skawinski
Steve C. Garske
Steve C. Garske
Brenton Butterfield
Brenton Butterfield
Brenton Butterfield
Kurt Stüber
Botanical Illustration
