Bog pondweed (Potamogeton polygonifolius, Mém. Acad. Sci. Toulouse 3: 325 (1788))

Family: Potamogetonaceae

Author: Pourr.

Bibliography: Mém. Acad. Sci. Toulouse 3: 325 (1788)

Year: 1788

Status: accepted

Rank: species

Genus: Potamogeton

Vegetable: False

Observations: Macaronesia, Europe, NW. Africa, Himalaya to Assam

Description

Bog pondweed, scientifically known as Potamogeton polygonifolius, is an aquatic plant belonging to the Potamogetonaceae family. First documented in the highly respected Mémoires de l’Académie des Sciences de Toulouse in 1788 by the botanist Pourret, this plant has captivated botanists and ecologists alike for centuries.

Potamogeton polygonifolius thrives in diverse aquatic environments and is frequently found in regions such as Macaronesia, Europe, and Northwestern Africa. Its range even extends into the heights of the Himalayas down to Assam, illustrating its remarkable adaptability.

Characterized by its distinct, elongated leaves that are typically submerged, bog pondweed is an essential component of freshwater ecosystems. Its presence supports a variety of aquatic life forms, providing both habitat and nourishment. The plant not only contributes to the biodiversity of these ecosystems but also plays a crucial role in maintaining water quality by stabilizing sediments and cycling nutrients.

Its broad distribution and ecological significance make Potamogeton polygonifolius an important subject of study in botany and environmental science. Understanding the habitat requirements and ecological roles of this plant can help in the conservation of freshwater ecosystems and the biodiversity they support.

Common Names

Dan: aflangbladet vandaks
Eng: cinnamonspot pondweed, bog pondweed, oblong-leaved pondweed, cinnamon-spot pondweed
Deu: knöterich-laichkraut
Swe: bäcknate, tatarvita
Nld: duizendknoopfonteinkruid
Nob: kysttjernaks
Nno: kysttjørnaks, kysttjønnaks
Fra: potamot à feuilles de renouée, potamot oblong
Fin: tatarvita
Sme: rávevihti
Ita: brasca poligonifolia
Cym: dyfrllys y gors
En: Bog Pondweed, Cinnamonspot pondweed, Oblong-leaved pondweed, Cinnamon-spot pondweed
Zh: 蓼叶眼子菜
Cs: Rdest rdesnolistý
Da: Aflangbladet Vandaks
Nl: Duizendknoopfonteinkruid
Fi: Tatarvita
Fr: Potamot à feuilles de renouée, Potamot oblong
De: Knöterich-Laichkraut, Knöterichblättriges Laichkraut
It: Brasca poligonifoglia, Brasca Poligonifolia
Lt: Rūgčialapė plūdė
Se: Rávevihti
Nb: Kysttjernaks
Nn: Kysttjørnaks, Kysttjønnaks
Pl: Rdestnica podługowata
Sv: Bäcknate, Tatarvita
Cy: Dyfrllys y Gors

Synonyms

• Potamogeton polygonifolius f. sphagnophilus (Neuman)
• Potamogeton polygonifolius f. norvegicus (Hagstr.)
• Potamogeton oblongus f. angustifolius (Fr.)
• Potamogeton polygonifolius f. largior (Tiselius)
• Potamogeton polygonifolius subvar. largior (Tiselius ex Graebn.)
• Potamogeton natans var. parnassiifolius ((Schrad. ex Mert. & W.D.J.Koch) Boenn.)
• Potamogeton polygonifolius var. parnassifolius ((Mert. & W.D.J.Koch) Gren. & Godr.)
• Potamogeton polygonifolius var. parnassiifolius ((Schrad. ex Mert. & W.D.J.Koch) Nyman)
• Potamogeton polygonifolius var. microcarpus (A.Benn.)
• Potamogeton microcarpus (Boiss. & Reut.)
• Potamogeton anglicus (Hagstr.)
• Potamogeton polygonifolius var. amphibius ((Fr.) Graebn.)
• Potamogeton natans var. polygonifolius ((Pourr.) Fiori & Paol.)
• Potamogeton polygonifolius cordifolius (Asch. & Graebn.)
• Potamogeton polygonifolius lancifolius (Asch. & Graebn.)
• Potamogeton cyprifolius (Lowe ex Graebn.)
• Potamogeton oblongus f. lancifolius (Cham. & Schltdl.)
• Potamogeton intermedius (Cham. & Schltdl.)
• Potamogeton natans subsp. polygonifolius ((Pourr.) Bonnier & Layens)
• Potamogeton oblongus f. cordifolius (Cham. & Schltdl.)
• Potamogeton oblongus var. cordifolius ((Cham. & Schltdl.) Fieber)
• Potamogeton oblongus var. lancifolius ((Cham. & Schltdl.) Fieber)
• Potamogeton oblongus var. ovato-oblongus (Fieber)
• Potamogeton natans var. oblongus ((Viv.) Gaudin)
• Potamogeton oblongus (Viv.)
• Potamogeton polygonifolius subsp. microcarpus ((Boiss. & Reut.) Nyman)
• Potamogeton polygonifolius subvar. terrestris (Coss. & Germ.)
• Potamogeton polygonifolius var. terrestris ((Coss. & Germ.) Rouy)
• Potamogeton natans subsp. intermedius (Gaudin)
• Potamogeton oblongus f. amphibius (Fr.)
• Potamogeton parnassiifolius (Schrad. ex Mert. & W.D.J.Koch)

Distribution

• Algeria (native)
• Assam (native)
• Austria (native)
• Azores (native)
• Baltic States (native)
• Belgium (native)
• Bulgaria (native)
• Corse (native)
• Czechoslovakia (native)
• Denmark (native)
• Finland (native)
• France (native)
• Føroyar (native)
• Germany (native)
• Great Britain (native)
• Greece (native)
• Ireland (native)
• Italy (native)
• Madeira (native)
• Morocco (native)
• Netherlands (native)
• Norway (native)
• Poland (native)
• Portugal (native)
• Sardegna (native)
• Sicilia (native)
• Spain (native)
• Sweden (native)
• Switzerland (native)
• Tunisia (native)
• West Himalaya (native)
• Yugoslavia (native)
• Newfoundland (introduced)
• Nova Scotia (introduced)

Additional Images

Leaf

Taken Jul 16, 2022 by rod henderson (cc-by-sa)

Taken Aug 26, 2021 by Pierre LEON (cc-by-sa)

Taken Aug 25, 2021 by Patrick Nard (cc-by-sa)

Taken Oct 13, 2006 by Tela Botanica − Mathieu MENAND (cc-by-sa)

Taken Jul 23, 2020 by Jean-Marc Laurent (cc-by-sa)

Flower

Taken Jul 21, 2022 by Terje Norli (cc-by-sa)

Taken Jun 7, 2017 by Tela Botanica − Sylvain PIRY (cc-by-sa)

Taken Jun 8, 2017 by Tela Botanica − Sylvain PIRY (cc-by-sa)

Taken Jun 29, 2008 by Tela Botanica − Mathieu MENAND (cc-by-sa)

Taken May 24, 2022 by Darren Giddins (cc-by-sa)

Habit

Taken Jul 10, 2013 by Tela Botanica − Geneviève Botti (cc-by-sa)

Taken Jul 10, 2013 by Tela Botanica − Geneviève Botti (cc-by-sa)

Taken Jun 8, 2017 by Tela Botanica − Sylvain PIRY (cc-by-sa)

Taken Aug 26, 2021 by Pierre LEON (cc-by-sa)

Taken Aug 26, 2021 by Pierre LEON (cc-by-sa)

Other

Taken Aug 15, 2004 by Photoflora – Jean-Luc TASSET (©)

Taken Jan 1, 1970 by Photoflora – L’Abbé COSTE (©)

Taken Jan 1, 1800 by Tela Botanica − Daniel MATHIEU (cc-by-sa)

Taken Jun 30, 1850 by Tela Botanica − Herbier PONTARLIER-MARICHAL (cc-by-sa)

Taken May 31, 1880 by Tela Botanica − Herbier PONTARLIER-MARICHAL (cc-by-sa)

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

Sources

• WFO (No URL)
• IPNI (No URL)
• GBIF (https://www.gbif.org/species/5301226)
• POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:603369-1)
• PlantNet (https://identify.plantnet.org/species/the-plant-list/Potamogeton polygonifolius Pourr.)

Specifications

Growth

Ph maximum: 5.0

Ph minimum: 4.5

Light: 7

Atmospheric humidity: 9

Bloom months: [‘jun’, ‘jul’, ‘aug’, ‘sep’]

Soil nutriments: 3