A tree up to 25 m tall with a straight trunk, dark gray wrinkled bark and a small loose crown. The leaves are large, pinnate, finely serrate on the edge, with glandular pubescence and with a characteristic pungent odor. Flowers unisexual: staminate in long dangling catkins, pistillate collected in 5-10 pieces. at the tops of annual shoots. Blooms in May – early June. The fruits are a false drupe of an elongated-elliptical shape, covered with green or brown-green thick within the fruit, with a woody shell, dirty brown, with longitudinal ribs and large wrinkles, ripen in September.
The Manchurian walnut grows in the Amur region and Primorye, in the west it reaches the Zeya River. It grows in mixed forests along river valleys and on adjacent slopes.
Medicinal raw materials are leaves (plucked by hands on young shoots shoots during flowering), immature fruits, within the limits of the fruit.
The leaves contain a lot of ascorbic acid, tannins, essential oil, a small number of alkaloids, carotene and phytoncides. The edible kernel of the fruit (nut) is more than 50% fatty oil used for food and technical purposes.
In folk medicine, a decoction of the leaves and within the fruit is used for catarrh of the stomach, diarrhea, rickets and exudative diathesis (20 g of crushed leaves are poured with a glass of boiling water, insisted for 20-30 minutes and drunk 1 tablespoon 3 times every day). Rinse the mouth with a tincture of the leaves when loosening the gums. The leaves are applied to wounds and boils.
In homeopathy, products from within the fruit and leaves are used as uterine remedies.