Northeastern Asian Flora
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Potamogeton gramineus L.   (redirected from: Potamogeton gramineus var. heterophyllus (Schreb.) Fr.)
Family: Potamogetonaceae
[Potamogeton gramineus var. heterophyllus (Schreb.) Fr., morePotamogeton heterocaulis Dia, Potamogeton heterophyllus Schreb.]
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  • Japan Flora
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Japan Flora: Stems elongate and often branched; floating leaves entire, long-petiolate, rather abruptly obtuse, rounded at the base, 2.5-10 cm. long, 1-3 cm. wide, the submersed leaves sessile, thin, oblanceolate, 4-8 cm. long, 6-10 mm. wide, acute, entire; stipules thinly membranous; peduncles thickened above; spikes 2-4 cm. long. July-Sept. Ponds.

Hokkaido, Honshu (centr. mts.). Temperate regions of the N. Hemisphere.

Potamogeton gramineus
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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