Perfoliate Pondweed
Perfoliate Pondweed - Potamogeton perfoliatus
Description
All leaves submerged, dark green, oval to rounded, clasping the stem with heart shaped bases, minutely toothed at least when young.
Identification difficulty
Habitat
Rivers, canals, reservoirs - less frequently in ponds.
When to see it
June to September.
Life History
Perennial.
UK Status
Widespread and fairly frequent in Britain.
VC55 Status
Locally fairly frequent in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 50 of the 617 tetrads.
Geoffrey Hall
Leicester, Grand Union Canal
11 June 2009
Inflorescence
Geoffrey Hall
Leicester, Grand Union Canal
11 June 2009
Leaf arrangement
Geoffrey Hall
Leicester, Grand Union Canal
11 June 2009
Vegetative
Geoffrey Hall
Leicester, Grand Union Canal
11 June 2009
Habit
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Additional images
