Photographer: Paul Skawinski
Potamogeton friesii Rupr.
Potamogeton: from Greek potamos, "a river," and geiton, "a neighbor," because of the habitat
friesii: for Elias Magnus Fries (1794-1878)
|Plant: ||perennial, submersed aquatic; from rhizomes|
|Flower: ||green-brown, small, stalk flattened, winter buds in tight in fan shape at 90deg. from outer leaves; inflorescence spike|
|Fruit:||rounded, dry seed with low or no ridges|
|Leaf:||alternate, entire, with prominent midvein; narrow with 5-7 veins, rounded tip with short beak; pair of glands at nodes; stipules fibrous, white|