Family:
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Potamogetonaceae /
Hirumushiroka |
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Notes For Reference:- |
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Species, Varieties, or Forms in the Genus Potamogeton:
Potamogeton fryeri /
Futohirumushiro |
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Potamogeton fryeri / Futohirumushiro フトヒルムシロ |
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Potamogeton fryeri
is a floating-leaved perennial that grows in oligotrophic and acidic
waters. Stems crawl underground and can reach up to 2 meters.
Submerged leaves, with next-to-nothing petioles, measure 6-25cm long
and 0.5-3cm wide, in a narrow, long oblong shape, and floating
leaves are 5-13cm long, 3-5cm wide, with long, 5-15cm long petioles
and prominent wavy wrinkles on the margins. Inflorescences, 3-6cm
long, bear many small, yellow-green flowers that extend above the
water surface. Bloom time: April-August. |
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