Black Walnut Leaf (Juglans nigra) from the black walnut tree has been used from ancient times & through the nineteenth century herbalists prescribed the walnut regularly. Technically a Walnut is a nut from any tree in the genus Juglans. The English Walnut is Juglans regia & sometimes called the Persian Walnut (as that is where it originated) Both the Black & English walnut trees provide herbal material but the black walnut is more popular. Black Walnut Leaf - Cut Herb & Powdered Juglans Nigra
