Persica maculosa previously known as Polygonum persicaria

Willow weed, Persicaria, Redlegs, Christ's-a-bleeding, Arsesmart


A weed in all spring crops. Found in heavy, damp soils.

Redshank - young1. The cotyledons are lance-shaped and borne on a red to crimson stem.
Redshank 22. The first true leaf is broad, smooth and dark green, often tinged with red.
Redshank 33. Later leaves have a thick black blotch in the centre of the blade. An annual of upright growth habit, with small spikes of pink seed-like flowers.