Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Apiaceae / Umbelliferae ⟩ Conium maculatum / hemlock

Conium maculatum L.

hemlock (Apiaceae / Umbelliferae)

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

Conium maculatum is a toxic herb of lowland grasslands and banks found across most of the British Isles; its stems can usually be recognised by the characteristic purple blotches.

Oxford (VC23: Oxfordshire); 2008-06-04

 hemlock / Conium maculatum: _Conium maculatum_ is a toxic herb of lowland grasslands and banks found across most of the British Isles; its stems can usually be recognised by the characteristic purple blotches.

The inflorescences of Conium maculatum have several bracts or bracteoles at each node.

Basingstoke (VC12: North Hampshire); 2014-05-30

 hemlock / Conium maculatum: The inflorescences of _Conium maculatum_ have several bracts or bracteoles at each node.

The leaves of Conium maculatum are up to 4 times pinnate.

Oxford (VC23: Oxfordshire); 2008-06-04

 hemlock / Conium maculatum: The leaves of _Conium maculatum_ are up to 4 times pinnate.

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