Featured image of post Black Walnut Dark Walnut Color : The thick bark is dark brown in color and divided by deep fissures into rounded ridges.

Black Walnut Dark Walnut Color : The thick bark is dark brown in color and divided by deep fissures into rounded ridges.

It has been used throughout history for treatment of intestinal problems, snakebites, open wounds, ulcers, scurvy, and as one of the most effective laxatives available.