Potamogeton oxyphyllus
Content
Description
Flowers 5-9, with 4 carpels.
Fruits broadly elliptic-ovate, 3.2-3.8 mm, rarely developed, beak short.
Distribution
Asia-Temperate: Korea present, Asia-Tropical, E Asia present, Far East Russia present, Japan present, N Sumatra present
E Asia (Far East Russia, China, Korea, Japan); in Malesia: N Sumatra.