Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Fabaceae / Leguminosae ⟩ Ervum tetraspermum / smooth tare

Ervum tetraspermum L.

smooth tare (Fabaceae / Leguminosae)

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

Synonym | Vicia tetrasperma (L.) Schreb.

Ervum tetraspermum is a scrambling annual of woodland margins and rough ground in central and southern England and Wales.

Oxford (VC23: Oxfordshire); 2014-07-02

 smooth tare / Ervum tetraspermum: _Ervum tetraspermum_ is a scrambling annual of woodland margins and rough ground in central and southern England and Wales.

Ervum tetraspermum differs from Ervilia hirsuta in having calyx teeth of different lengths; it differs from Ervum gracile in that the peduncles are no longer than the adjacent leaves.

Oxford (VC23: Oxfordshire); 2014-07-02

 smooth tare / Ervum tetraspermum: _Ervum tetraspermum_ differs from _Ervilia hirsuta_ in having calyx teeth of different lengths; it differs from _Ervum gracile_ in that the peduncles are no longer than the adjacent leaves.

The fruiting pods of Ervum tetraspermum typically contain 4 seeds, whereas those of Ervilia hirsuta contain only 2.

Oxford (VC23: Oxfordshire); 2014-07-02

 smooth tare / Ervum tetraspermum: The fruiting pods of _Ervum tetraspermum_ typically contain 4 seeds, whereas those of _Ervilia hirsuta_ contain only 2.

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