arum-leaved arrow-head, northern arrow-head, wapato
[Sagittaria arifolia Nutt. ex J.G.Sm.]
Etymology: Sagittaria: from Latin sagitta, "arrow," because of the leaf shape
Plants: erect or floating, perennial, 4"-24" tall, emergent aquatic
Leaves: long-stalked, arrow-shaped to long and narrow, lower lobes usually much shorter than the top lobe
Flowers: white, 3-parted, 1/4"-3/4" wide; inflorescence of 2-10 whorls of flowers, 1 to many stalks either erect or bending and often branched; blooms July-Sept.
Fruits: dry, flattened, winged seed with a small, upright beak
Habitat: ponds, marshes; in muddy soil
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 7, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"