Robert W. Freckmann Herbarium


  Potamogeton bicupulatus Fernald image
Photographer: Robert W. Freckmann           

Emmet J. Judziewicz

Jason J. Husveth

Jason J. Husveth

Jason J. Husveth

Jason J. Husveth

Paul Skawinski

Paul Skawinski

Paul Skawinski

Robert W. Freckmann
Family Potamogetonaceae
Potamogeton bicupulatus Fernald
snail-seed pondweed
Potamogeton: from Greek potamos, "a river," and geiton, "a neighbor," because of the habitat
bicupulatus: bi for "two;" cupula for "small tub or cask; small crooked handle"' atus for "like"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Special Concern
Plant: perennial, submersed aquatic; stems freely branching; slender rhizomes
Flower: green-brown, small; inflorescence spike
Fruit:dry seed with a flat, round, tiny beak, fruit spikes globular from submersed leaf axils; cylindrical from floating leaves
Leaf:alternate, entire, linear, 1 prominent midvein, 2 faint side veins; elliptical floating leaves long; submersed - fine, 0.2mm wide
Habitat: water < 7'; in soft sediment soil
Notes: stipules fused to leaf .3-.5 of their length
(Glossary)

More Information Natural Communities Herbarium Specimens
All Potamogeton list Google- Images or Text

Flora of North America (off site)
Synonyms 
Potamogeton diversifolius Raf., pro parte
Potamogeton diversifolius Raf. var. trichophyllus Morong

         
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