High powerful tree 30-35 m tall with a huge shatrovidnoy crown. Thick trunk covered with a light gray longitudinally fissured bark. Young shoots are shiny, olive-gray. The leaves are pinnate, 20-40 cm long, of 7-11 leaves, when grinding with a pleasant characteristic odor. When blossom (April — May) leaves pink, hairy, glandular, summer dark green, shiny, lighter below, dull, autumn, late September and October, and yellowing. Before the appearance of male flowers blossom leaves collected in many-thick green earrings, simultaneously with leaves appear almost invisible female flowers, but sitting 1-4. In September, the fruits ripen — false drupe spherical, ovoid or elliptical. Dark green dense glandular-point shell and hard shell protects the seed nuts. When ripe, the shell dries, blackens and cracks.
Walnut forms extensive forests on the southern slopes of the Ferghana, Chatkal (Tien Shan) and Hissar ridges-Tois (Pamir-Alai). The main focus of the forest on the slopes of the Fergana range at an altitude of 1100-2000 m, dark brown in 14 "Ah, rich in humus. Walnut forests are also the Kopet Dagh on the bottoms of valleys and along ravines. In the Caucasus, is widely found in the wild state. Outside Russia circulated in the southern part of the Balkan Peninsula, Iran, Afghanistan, the Himalayas, Korea, and China. Picky about soil, takes a long time of drought. Lives 300-400 let.Zelenaya drupelets shell and leaves contain vitamin "C" and tannins. The leaves, bark, shell get used long black and brown colors of wool and silk. Kernels are very nutritious and contain on average 68% of oil. Wood has a beautiful picture and nice color from light gray to dark brown, well polished. Particularly beautiful wood pattern are outgrowths (capacitor), which are formed on the trunk, most often in the foot, resulting in proliferation of basal buds. Excellent ornamental. Can be used on single crop in groups, in the alleys. Due to its beneficial properties of walnut culture has long been introduced in almost all parts of the world.