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Black Walnut Leaf

Wildharvested & Kosher Certified

  • W
  • K
  • Juglans nigra
  • Origin: USA
Black Walnut Leaf


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Common Name

Standardized: black walnut

Botanical Name

Juglans nigra L.
Plant Family: Juglandaceae


The black walnut is a native tree of North America. The genus name, juglans, is derived from two Latin words; lupiter, meaning Jupiter, and glans, meaning acorn. The literal translation is therefore "Jupiter's nuts". According to a Chaldean clay tablet, walnut groves were known to be in the hanging gardens of Babylon. Pliny the Elder (ca.23-79 C.E.) reported cultivation in Italy from trees that had been transported from countries farther east. In ancient Persia, only royalty were supposed to eat them, and they were even referred to as the "royal walnut". In America, there is archeological evidence that they were consumed and used by the Native Americans as far back as 2000 B.C.E. Black walnuts are smaller, harder, and more pungent than the English walnuts sold in grocery stores. The hulls without the meaty kernels inside are used in traditional herbalism. Black walnut trees exude a sap that discourages growth of competing plants over their roots.

Parts Used

Dried leaf.

Typical Preparations

Washes, compresses, and baths.


Not recommended for long term use.
We recommend that you consult with a qualified healthcare practitioner before using herbal products, particularly if you are pregnant, nursing, or on any medications.

This information has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. For educational purposes only.