Red dead-nettle
Lamium purpureum
Importance
Increasingly common in winter cereals, possibly encouraged by minimal cultivation techniques.
1. Cotyledons are borne on long stalks with backward directed lobes at the base of the leaf.
2. The first true leaves have shallow teeth, branched veins and are hairy and oval in outline.
3. An annual weed of erect habit, bearing small pinky-red flowers.