Pictorial guide to the flora of the British Isles

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Parnassia palustris L.

Grass of Parnassus (Parnassiaceae)

 SpreadBias within British IslesDirection of bias
Very widespreadModerate tendencyN
Plant Atlas 2020
BSBI Distribution Map

Parnassia palustris grows in wet, base-rich flushes in upland areas, and in fens and dune-slacks; each stem has a single cordate, sessile leaf.

Killean (VC101: Kintyre); 2019-09-03

 Grass of Parnassus / Parnassia palustris: _Parnassia palustris_ grows in wet, base-rich flushes in upland areas, and in fens and dune-slacks; each stem has a single cordate, sessile leaf.

As well as 5 white stamens, the flowers of Parnassia palustris also have 5 green fimbriate staminodes.

Polskeoch (VC72: Dumfriesshire); 2013-08-18

 Grass of Parnassus / Parnassia palustris: As well as 5 white stamens, the flowers of _Parnassia palustris_ also have 5 green fimbriate staminodes.

All images copyright © Christopher J. Dixon unless otherwise indicated.

L-R: Bidens tripartita, Melilotus officinalis, Mimulus guttatus, Thalictrum flavum, Ranunculus peltatus, Anchusa arvensis, Malva alcea, Lolium perenne