Pictorial guide to the flora of the British Isles

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Gentiana acaulis L.

Koch’s gentian (Gentianaceae)

 SpreadBias within British IslesDirection of bias
Very localVery strong tendencySE
Plant Atlas 2020
BSBI Distribution Map

Although Gentiana acaulis grows in chalk grassland at a few sites in Britain, it grows over siliceous rocks in its native Alps, where Gentiana clusii is the equivalent species on limestone.

Alpes-Maritimes (06), France; 2010-07-05

 Koch’s gentian / Gentiana acaulis: Although _Gentiana acaulis_ grows in chalk grassland at a few sites in Britain, it grows over siliceous rocks in its native Alps, where _Gentiana clusii_ is the equivalent species on limestone.

Gentiana acaulis differs from Gentiana clusii by the presence of olive-green speckling on the inside of the corolla.

Vienna, Austria; 2006-05-01

 Koch’s gentian / Gentiana acaulis: _Gentiana acaulis_ differs from _Gentiana clusii_ by the presence of olive-green speckling on the inside of the corolla.

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