Family: Alismataceae
grassy arrow-head
Robert W. Freckmann
Paul Skawinski
University of Wisconsin-Stevens Point, Robert W. Freckmann Herbarium (UWSP)
Etymology: Sagittaria: from Latin sagitta, "arrow," because of the leaf shape
Plants: erect or floating, perennial, emergent aquatic
Leaves: flat, usually long and narrow and not arrow-shaped
Flowers: white to pink, 3-parted, 1/3" wide; inflorescence of 2-12 whorls of flowers, usually upper flowers male, lower female; blooms July-Sept.
Fruits: dry, flattened seed with toothed wings, beak 0.4-0.7mm long
Habitat: swamps, shallow water; in muddy soil
Plants: erect or floating, perennial, emergent aquatic
Leaves: flat, usually long and narrow and not arrow-shaped
Flowers: white to pink, 3-parted, 1/3" wide; inflorescence of 2-12 whorls of flowers, usually upper flowers male, lower female; blooms July-Sept.
Fruits: dry, flattened seed with toothed wings, beak 0.4-0.7mm long
Habitat: swamps, shallow water; in muddy soil
Floristic Rating: Coefficient of Conservatism = 9, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos
Paul Skawinski
Robert W. Freckmann
