Yellow Dock
Scientific Name: Rumex crispus
Botanical and Historical Origin
Europe and Western Asia. Naturalized throughout North America as a common weed of disturbed soil.
Evolution of Historical Use
Known for its 'iron-pulling' ability. Early settlers used the root in syrups for anemia. The leaves were often boiled as a spring green, though they contain oxalic acid.
Traditional Cultivation and Harvesting
Deep-rooted perennial. The long, yellow taproot is harvested in late fall or early spring. Prefers moist, heavy soils.
Historical Medicinal Profile
Historical Internal Use
iron deficiency, liver sluggishness
Historical External Use
ringworm, skin eruptions
Safety and Modern Toxicology
Contains oxalates. Avoid in kidney stone history.
Circular Codex References
This ingredient is also documented in our livestock-focused Plant Codex, where you can find detailed information on its identification, veterinary safety, and farmstead management.
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