Potamogeton oxyphyllus

Potamogeton oxyphyllus or yanagimo (scientific name: Potamogeton oxyphyllus) is an evergreen perennial water plant of the genus Potamogeton of the family Potamogetonaceae, a species of willow-leaf willowherb that grows naturally in rivers and reservoirs in Japan. Its name comes from its submerged leaves, which resemble willows.

Common name: Potamogeton oxyphyllus or yanagimo, scientific name: Potamogeton oxyphyllus, habitat: rivers, ponds, type of life: evergreen perennial, flowering season: June to October.