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Photographer: Robert W. Freckmann
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Family Alismataceae
Sagittaria rigida Pursh
sessile-fruited arrow-head, stiff arrow-head
Sagittaria: from Latin sagitta, "arrow," because of the leaf shape
rigida: from a stiffly erect habit
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| Status: | Native |
| Plant: | erect or floating, perennial, emergent aquatic, 4"-24" tall |
| Flower: | white, 3-parted, 1/2"-1" wide; inflorescence of 2-8 whorls of flowers with 1 unbranched stalk usually shorter than the leaves and bending at the lowest node; upper male flowers large and stalked, lower female flowers smaller and stalkless; blooms July-Sept. |
| Fruit: | dry, flattened, winged, stalkless seed with angled, long beak, |
| Leaf: | usually broadly lance-shaped, sometimes with small lobes at the base |
| Habitat: | swamps, shallow water |
| (Glossary) |
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