Pictorial guide to the flora of the British Isles

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Subularia aquatica L.

awlwort (Brassicaceae / Cruciferae)

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

Subularia aquatica grows in shallow montane lakes in Scotland, the Lake District, West Wales and western Ireland; its leaves are all basal and subulate, like those of Isoetes or Littorella uniflora.

Carneddau (VC49: Caernarvonshire); 2020-08-08

 awlwort / Subularia aquatica: _Subularia aquatica_ grows in shallow montane lakes in Scotland, the Lake District, West Wales and western Ireland; its leaves are all basal and subulate, like those of _Isoetes_ or _Littorella uniflora_.

Out of the water, the form of the inflorescence and the swollen fruits can be more easily seen.

Carneddau (VC49: Caernarvonshire); 2020-08-08

 awlwort / Subularia aquatica: Out of the water, the form of the inflorescence and the swollen fruits can be more easily seen.

Subularia aquatica is self-compatible and flowers underwater, and so can come to carpet large areas.

Carneddau (VC49: Caernarvonshire); 2020-08-08

 awlwort / Subularia aquatica: _Subularia aquatica_ is self-compatible and flowers underwater, and so can come to carpet large areas.

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