Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Polygonaceae ⟩ Oxyria digyna / mountain sorrel

Oxyria digyna (L.) Hill

mountain sorrel (Polygonaceae)

 SpreadBias within British IslesDirection of bias
WidespreadVery strong tendencyN
Plant Atlas 2020
BSBI Distribution Map

Oxyria digyna is an Arctic–Alpine species, similar in general appearance to a Rumex.

Twll Du (VC49: Caernarvonshire); 2007-05-28

 mountain sorrel / Oxyria digyna: _Oxyria digyna_ is an <a href="aa.html">Arctic–Alpine</a> species, similar in general appearance to a _Rumex_.

The flowers of Oxyria digyna have 4 tepals, 6 stamens and 2 stigmas.

Twll Du (VC49: Caernarvonshire); 2007-05-28

 mountain sorrel / Oxyria digyna: The flowers of _Oxyria digyna_ have 4 tepals, 6 stamens and 2 stigmas.

Unlike the 3-faced achenes of Rumex, the fruits of Oxyria digyna have 2 flattish faces.

Dolomites, Italy; 2012-07-07

 mountain sorrel / Oxyria digyna: Unlike the 3-faced achenes of _Rumex_, the fruits of _Oxyria digyna_ have 2 flattish faces.

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