Broad-leaved docks are common in meadows are pasture where it is a real problem. Curled-leaved docks are more of an arable weed.
1. Cotyledons are narrow and long, often deep purple to crimson.
2. First true leaves are broadly lanced shaped. Subsequent leaves have wavy margins.
3. Broad-leaved docks (R. obtusifolius) have broad lower leaves and bear thick clusters of brownish-green flowers on tough upright stems. Curled-leaved docks (R. crispus) have narrow lance-shaped leaves with very wavy margins and bear clusters of small greenish-red flowers.
Identify Broad-Leaved Weeds
You can use this page to help identify the broad-leaved weeds in your crops, and then find out more about the relevant crop protection products.