Potamogetonaceae

Blunt-leaved pondweed

Potamogeton obtusifolius Mert. & W.D.J.Koch

Family: Potamogetonaceae
Genus: Potamogeton

Pet and kid safety: not checked yet. Check pet-safe plants

Blunt-leaved pondweed (Potamogeton obtusifolius) — Photo: Thomas Gyselinck, CC BY 4.0, from iNaturalist

Is yours looking unwell? Scan your plant — free

Common names

By language (24)

arz: بوتاموجيتون منفرد
Belarusian: Урэчнік тупалісты, Рдзест тупалісты
Bulgarian: Тъполистен ръждавец
Catalan: Potamot à feuilles obtuses
Chinese: 鈍葉眼子菜, 钝叶眼子菜
Czech: Rdest tupolistý
Dutch: Stomp fonteinkruid
English: Blunt-leaved pondweed, Bluntleaf pondweed
Estonian: Tömbilehine penikeel
Finnish: Tylppövita
French: Potamot à feuilles obtuses
German: Stumpfblättriges Laichkraut, Potamot à feuilles obtuses
hsb: Tupa dróstnica
Hungarian: Tompalevelű békaszőlő
Japanese: イヌイトモ
Latvian: Struplapu glīvene
Lithuanian: Potamot à feuilles obtuses
Norwegian Bokmål: Butt-tjønnaks
Norwegian Nynorsk: Butt-tjønnaks
Polish: Rdestnica stępiona
Russian: Рдест туполистный
Swedish: Trubbnate, Potamot à feuilles obtuses
Ukrainian: Рдесник туполистий
Welsh: Dyfrllys dail aflym

Synonyms

Buccaferrea obtusifolia (Mert. & W.D.J.Koch) Bubani
Potamogeton divaricatus Wolfg.
Potamogeton liljebladii Wallman ex Rchb.
Potamogeton obtusifolius f. acutus Fieber
Potamogeton obtusifolius f. angustifolius (Fieber) Soó
Potamogeton obtusifolius f. angustifolius (Fieber) Rchb.
Potamogeton obtusifolius f. apiculatus Fieber
Potamogeton obtusifolius f. contractus Cham. & Schltdl.
Potamogeton obtusifolius f. elongatus Cham. & Schltdl.
Potamogeton obtusifolius f. insolitus Tiselius
Potamogeton obtusifolius f. insolitus Tiselius
Potamogeton obtusifolius f. latifolius (Fieber) Soó
Potamogeton obtusifolius f. latifolius (Fieber) Rchb.
Potamogeton obtusifolius f. microcarpus Hyl.
Potamogeton obtusifolius f. muticus Fieber
Potamogeton obtusifolius f. obtusus Fieber
Potamogeton obtusifolius subf. acutus (Fieber) Soó
Potamogeton obtusifolius subf. apiculatus (Fieber) Soó
Potamogeton obtusifolius subf. muticus (Fieber) Soó
Potamogeton obtusifolius subf. obtusus (Fieber) Soó
Potamogeton obtusifolius subvar. acutus (Fieber) Graebn.
Potamogeton obtusifolius subvar. apiculatus (Fieber) Graebn.
Potamogeton obtusifolius subvar. muticus (Fieber) Graebn.
Potamogeton obtusifolius subvar. obtusus (Fieber) Graebn.
Potamogeton obtusifolius var. angustifolius Fieber
Potamogeton obtusifolius var. elongatus G.Fisch.
Potamogeton obtusifolius var. latifolius Fieber
Potamogeton tataricus Less.
Spirillus obtusifolius (Mert. & W.D.J.Koch) Nieuwl.

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Alaska: native, Canada: native, Lower 48 states: native

Photos

Photo: Thomas Gyselinck, CC BY 4.0, from iNaturalist
Photo: KP Laer, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Nadezhda Kiseleva, CC BY 4.0, from iNaturalist
Photo: Lake County AIS, CC0, from iNaturalist
Photo: Dustin Snider, CC BY 4.0, from iNaturalist
Photo: pete_gateley, CC0, from iNaturalist
Photo: Roman A. Lagazyuk (Роман А. Лагазюк), CC BY 4.0, from iNaturalist
Photo: Grzegorz Grzejszczak, CC BY-SA 4.0, from iNaturalist
Photo: Étienne Léveillé-Bourret, CC BY 4.0, from iNaturalist
Photo: Kallum McDonald, CC0, from iNaturalist
Photo: Doug Suitor, CC BY 4.0, from iNaturalist
Photo: Marc-Aurèle Vallée, CC0, from iNaturalist

More in Potamogeton

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.