Medicinal Herb InfoA reference archive of plants and their traditions
Not medical advice. This site documents how plants have been described and used historically. It is a botanical and folklore reference, not guidance for treating illness, and it carries no dosing instructions. Talk to a doctor or pharmacist before using any plant medicinally — herbs interact with medication and some are toxic.

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English Walnut

Botanical reference entry

Parts Usually Used

Leaves, outer hulls and bark

Description of Plant(s) and Culture

The English walnut tree is widely cultivated for its wide-spreading branches. It grows to about 80 feet high and has gray bark and oblong-ovate, entire leaflets that are sticky when young but glabrous later. Blooming in May, the male flowers appear in axillary catkins, the female in terminal spikes. The fruit is the common walnut.

Where Found

Cultivated

Medicinal Properties

Astringent, tonic, nutritive, demulcent, laxative (bark), stomachic. Juglone is believed to have an antifungal property; the hulls and leaves are highly astringent and contain tannin as well as juglandin, a bitter principle.

Biochemical Information

Juglone, isojuglone, essential oil, inositol, phytin, phytosterols, oxidase, vitamins A, B, C, and E, and ellagic, laric, myristic, arachic, linoleic, linolenic, isolinolenic, and oleic acids

Uses

Historically, herbalists prepared an infusion of the leaves as a stomachic tonic to encourage appetite and administered it for catarrhal enteritis. External applications of the decoction, such as washes or bath additives, were traditionally employed for complaints including rheumatism, gout, glandular swellings, gum issues, sweaty feet, acne, dandruff, general skin ailments, and to check excessive lactation following weaning.

Traditional sources also recommended a decoction of the green walnut husk for declining virility, while an infusion of the plant was historically used as a hair rinse to address hair loss.

Bibliography

The Complete Medicinal Herbal , by Penelope Ody, Dorling Kindersley, Inc, 232 Madison Avenue, New York, NY 10016, First American Edition, copyright 1993 The Herb Book , by John Lust, Bantam Books, 666 Fifth Avenue, New York, NY. copyright 1974. The Nature Doctor: A Manual of Traditional and Complementary Medicine , by Dr. A. , 27 Pine Street (Box 876) New Canaan, CT. 06840-0876.

Copyright Verlag A. , Lotus Press, PO Box 325, Twin Lakes. , 15 Columbus Circle, New York, NY 10023