Etymology: Potamogeton: from Greek potamos, "a river," and geiton, "a neighbor," because of the habitat
Plants: perennial, submersed aquatic; stems to 7' long; branched rhizomes
Leaves: alternate, entire, with prominent midvein; submersed and floating narrow, lance-like, on long stem; stipules free of leaf axils, disintegrate
Flowers: green-brown, small; inflorescence dense cylindrical spike, above water
Fruits: oval, dry seed with a lumpy dorsal ridge and a short beak
Habitat: usually flowing water >40" deep
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