Black Walnut Hull
Scientific Name: juglans nigra
Common Names: Black walnut
Parts used: Hull of the fruiting body; leaves; bark
Active Properties of hull: herpatic, anti-parasitic
Biochemical Information: Juglon (also called nucin or juglandic acid)
Native Americans used the inner-bark tea as an emetic, laxative, and to alleviate colic. It was utilized in poultices for inflammation. A most versatile tree providing for various herbal uses, black walnut is highly regarded by practitioners.
Dosage: Use an infusion or decoction for diarrhea. Will cease lactation. Used as a douche for leukorrhea and as a mouthwash for mouth soreness or inflamed tonsils. The leaves can be used to make a cleansing wash. The green rind of the fruit makes a good poultice for skin problems. Rubbed on the skin, the extract of black walnut is said to eczema, herpes, psoriasis, fungal infections, and skin parasites and internal parasites.
Various plant parts will leave a stain on fabric and porous materials. The husk has been used as a dye for centuries.
The hull powder is taken internally in capsules.
Externally: Applied as a masque or washing compound, or as a dry rub for skin clearing. When prepared as a decoction it may be applied to skin daily.
Applications: The hull powder is excellent in facial masks for deeply cleansing the skin, and is often taken internally as a remedy for intestinal parasites. It can be applied as a natural insecticide. The Comanche made a paste of the leaves and husk of the fruit to treat ringworm. Black walnut was also used by the Appalachian, Cherokee, Iroquois, and Rappahannock as a treatment for fungal infections of feet and hands, for hemorrhoids and as an insecticide.
Black walnut produces the famous walnut wood of commerce, as well as the familiar edible nuts. Treats mammal bites. Is also used in oil products and flavoring. Black walnut hulls are often a source of natural hair dye.
Black walnut, a native North American perennial is found in fields and rich woodlands from throughout the Eastern United States and Eastern Canada The bark is thick and brown to grayish-black in color with deep furrows and narrow forking ridges which form a diamond pattern. The male and female flowers grow in separate catkins. Over 100 varieties of black walnut have been selected for their nut quality.
Proceed with caution with any oral intake of black walnut tree bark as it has a measured toxicity.
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