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Photographer: Paul Skawinski
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Family Potamogetonaceae
Potamogeton praelongus Wulfen
white-stemmed pondweed
Potamogeton: from Greek potamos, "a river," and geiton, "a neighbor," because of the habitat
praelongus: very long
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| Status: | Native |
| Plant: | perennial, submersed aquatic; stems zigzag white 7'-10' long; stout rhizomes with rust spots |
| Flower: | green-brown, small; inflorescence cylindrical spike |
| Fruit: | oval-to-ovate, plump, dry seed with a short beak and a sharp ridge |
| Leaf: | alternate, entire, with prominent midvein; tip boat-shaped splitting easily; lance to oval clasping from .3-.5 of stem, 3-5 heavy veins; none float |
| Habitat: | clear water 3'-13' deep; in soft sediment soil |
| Notes: | stipules fibrous, white, often shredding late in season, free in leaf axils |
| (Glossary) |
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