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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Potamogeton spirillus

Potamogeton spirillus Tuck.

Spiral Pondweed

Potamogetonaceae (Pondweed Family)

Synonym(s): Potamogeton dimorphus

USDA Symbol: POSP3

USDA Native Status: L48 (N), CAN (N)

 

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Plant Characteristics

Duration: Perennial
Habit: Herb
Breeding System: Flowers Bisexual
Fruit Type: Drupe
Size Notes: Stems submersed, up to about 16 inches long.
Leaf: Leaves both submersed and floating, or submersed only.
Fruit: Drupaceous.

Bloom Information

Bloom Color: Green
Bloom Time: Jul , Aug , Sep , Oct , Nov
Bloom Notes: Flowers are inconspicuous, on spikes which occur both above and below the surface of the water.

Distribution

USA: CT , DE , IA , KY , MA , MD , ME , MI , MN , ND , NH , NJ , NY , OH , PA , RI , SD , VA , VT , WI , WV
Canada: NB , NL , NS

Growing Conditions

Aquatic: yes

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: OBL OBL OBL OBL OBL
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 26 - Minnesota Wildflowers: a field guide to the flora of Minnesota (2009)
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Potamogeton spirillus in USDA Plants
FNA: Find Potamogeton spirillus in the Flora of North America (if available)
Google: Search Google for Potamogeton spirillus

Metadata

Record Modified: 2023-05-02
Research By: TWC Staff

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