Manchurian Walnut

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Manchurian Walnut


(Juglans manshurica), a monoecious deciduous tree of the family Juglandaceae. The trunk is up to 30 m tall, smooth, straight, with a rounded crown. The leaves, which are alternate, compound, and odd-pinnate, measure up to 1.25 m long; there are oblong-elliptic serrated leaflets. The small unisexual flowers appear when the leaves open. The staminate flowers are in long drooping catkins; the pistillate flowers are in groups of three to ten at the ends of the shoots. The fruits are drupelike and have green or brownish fleshy husks.

The Manchurian walnut grows in northern China, Korea, and the USSR (in the Primor’e and the Amur Region). It is found in mixed cedar and broad-leaved forests along river valleys and in the lower mountain zones. The fruits of the Manchurian walnut are edible but have a very thick, tough shell; they are used in the confectionery industry to obtain high-quality oil. The lumber is hard and has a beautiful texture. The narrow sapwood is light gray, and the heartwood is brown. The wood is used in the manufacture of furniture, various art objects, and high-quality plywood. The bark, leaves, and fruits contain tannins. The Manchurian walnut is used in the landscaping of many cities of Siberia and the European USSR.


Usenko, N. V. Derev’ia, kustarniki i liany Dal’nego Vostoka. Khabarovsk, 1969.


References in periodicals archive ?
Juglone was extracted from Juglans mandshurica bark via vacuum-assisted steam stripping.
4 mg juglone per gram of fresh branch bark from Juglans mandshurica in northeast China (Xu and Xu 1990).
In this paper, a vacuum-assisted steam stripping extraction of juglone from Juglans mandshurica bark is described.
Juglans mandshurica maxim bark was collected in September from an experimental forest at Northeast Forestry University.
A new quinone compound, p-hydroxymethoxybenzobijuglone (HMBBJ), isolated from Juglans mandshurica by bioassay-guided fractionation, showed cytotoxic activity against HeLa cell line.
Juglans mandshurica is one of rare species of trees for pharmacy resources.
p-Hydroxymethoxybenzobijuglone (HMBBJ) was isolated from Juglans mandshurica leaves, and its structure was established based on spectroscopic studies (Li et al.
In this study, data from MTT assay and cell morphological assessment demonstrated that HMBBJ, the new quinone compound isolated from Juglans mandshurica, inhibited proliferation and induced apoptosis of HeLa cells by an obvious concentration-dependent manner.
caprea, Juglans mandshurica, Betula platyphylla, B.
Breeding habitat of Narcissus Flycatchers in our study, where the two flycatchers were sympatric, was dominated by Betula dahurica while the breeding habitat of Yellow-rumped Flycatcher was dominated by Juglans mandshurica (Wang et al.
caprea 1 5 6 Juglans mandshurica 2 2 Betula platyphylla 1 2 3 B.
Other walnuts of note include Juglans cordiformis or Japanese walnut; Juglans mandshurica or Manchurian walnut, which grows in Korea; Juglans australia, the walnut of Australia: and Juglans neotropica, the walnut from Peru.