Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Polygonaceae ⟩ Polygonum depressum / equal-leaved knotgrass

Polygonum depressum A. Cunn. ex Meisn.

equal-leaved knotgrass (Polygonaceae)

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

Synonym | Polygonum arenastrum Boreau

Polygonum depressum differs from Polygonum aviculare in that the leaves on lateral shoots are not much smaller than those on the main shoot, and the achenes have one concave face.

Beckley (VC23: Oxfordshire); 2019-07-31

 equal-leaved knotgrass / Polygonum depressum: _Polygonum depressum_ differs from _Polygonum aviculare_ in that the leaves on lateral shoots are not much smaller than those on the main shoot, and the achenes have one concave face.

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