Pictorial guide to the flora of the British Isles

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Oenanthe lachenalii C. C. Gmel.

parsley water-dropwort (Apiaceae / Umbelliferae)

 SpreadBias within British IslesDirection of bias
WidespreadNegligible tendencyS
Plant Atlas 2020
BSBI Distribution Map

Oenanthe lachenalii grows in brackish marshes around the coasts of England, Wales, Ireland and south-western Scotland, as far north as North Uist (VC110: Outer Hebrides).

West Wittering (VC13: West Sussex); 2017-08-14

 parsley water-dropwort / Oenanthe lachenalii: _Oenanthe lachenalii_ grows in brackish marshes around the coasts of England, Wales, Ireland and south-western Scotland, as far north as North Uist (VC110).

Oenanthe lachenalii has up to 5 bracts at the base of the inflorescence; its stems are distinctly ridged (unlike Oenanthe fistulosa).

West Wittering (VC13: West Sussex); 2017-08-14

 parsley water-dropwort / Oenanthe lachenalii: _Oenanthe lachenalii_ has up to 5 bracts at the base of the inflorescence; its stems are distinctly ridged (unlike _Oenanthe fistulosa_).

Some of the fruits of Oenanthe lachenalii are on (short) branches; they each have 2 persistent styles, distinctly shorter than the rest of the fruit (in contrast to Oenanthe pimpinelloides and Oenanthe silaifolia).

West Wittering (VC13: West Sussex); 2017-08-14

 parsley water-dropwort / Oenanthe lachenalii: Some of the fruits of _Oenanthe lachenalii_ are on (short) branches; they each have 2 persistent styles, distinctly shorter than the rest of the fruit (in contrast to _Oenanthe pimpinelloides_ and _Oenanthe silaifolia_).

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