- young leaves are edible raw, but sour.
- leaves are best when boiled in several changes of water.
- fruit can be winnowed to separate outer hull for collecting seeds.
- seeds can be boiled to mush, or ground into flour.
- seeds can be leeched in cold water before using as food.
- varieties in Manitoba are Curled dock (Rumex crispus), Western dock (Rumex occidentalis) and Willow dock (Rumex triangulivalvis).
- grows in moist areas and disturbed sites in the plains, foothills, and montane regions.
- warning: raw plant is toxic in large quantity due to oxalates, which interferes with nutrient absorption.
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