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Rumex obtusifolia

Common burdock seed capsule (achene) showing toothed margin of wing.

Broadleaf dock leaf on right and curly dock leaf at left.

Broadleaf dock flower stalk.

  • The young leaves have been eaten as greens, but they become bitter early in the growing season. They may also have a laxative effect.

  • Broadleaf dock leaves have been used to soothe burns, blisters, and nettle stings. A tea prepared from the root was thought to cure boils.

  • An old name for broadleaf dock is 'butter dock' which derives from the use of the leaves to wrap butter for market.