Potamogeton oxyphyllus

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Potamogeton oxyphyllus

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.

Taxonomy

Potamogeton oxyphyllus easily hybridises with P. pusillus (P. P orientalis Hagstr.), P. maackianus (P. P kyushuensis Kadono & Wiegleb) and P. octandrus (P. P kamogawaensis Miki). In case of a common occurrence those hybrids may be expected also in Malesia.

Citation

Hagstr. 1916 – In: Kungl. Svenska Vetenskapsakad. Handl.: 83
A.Benn. 1914 – In: Philipp. J. Sc., Bot.: 341