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Juglans regia, the common walnut [1] or Persian walnut [2] amongst other regional names, is a species of walnut.It is native to Eurasia in at least southwest and central Asia and southeast Europe, but its exact natural area is obscure due to its long history of cultivation.
English: Distribution map of Juglans regia L. (Persian walnut) ... Chorology of trees and shrubs in south-west Asia and adjacent regions. Supplement. Poznań: Bogucki ...
Walnut trees are any species of tree in the plant genus Juglans, the type genus of the family Juglandaceae, the seeds of which are referred to as walnuts.All species are deciduous trees, 10–40 metres (33–131 ft) tall, with pinnate leaves 200–900 millimetres (7.9–35.4 in), with 5–25 leaflets; the shoots have chambered pith, a character shared with the wingnuts (Pterocarya), but not ...
The nine or ten genera in the family have a total of around 50 species, [3] and include the commercially important nut-producing trees walnut (Juglans), pecan (Carya illinoinensis), and hickory (Carya). The Persian walnut, Juglans regia, is one of the major nut crops of the world.
The chief plant communities in the ecoregion are dominated by Argania spinosa, Olea europaea, Balanites aegyptiaca, Cupressus sempervirens, Vachellia tortilis, Phoenix canariensis, Phoenix dactylifera, Salix alba, Juglans regia, Populus nigra, Quercus coccifera, Quercus suber, Pinus nigra, Pinus pinaster, Pinus pinea, Pinus halepensis, Ceratonia siliqua, Arbutus unedo, Erica arborea, Juglans ...
[1] [2] The walnut species found in Nepal is Juglans regia, [3] which is known locally as okhar. [4] The okhar tree is native to the mountainous areas of Central Asia, including Nepal. [3] [5] It is grown in the country's High Mountains region with an elevation of 1000- 4000 m. [6] Walnut trees can be found across the temperate regions of the ...
Arslanbob (Kyrgyz: Арстанбап) is a village, sub district, valley, mountain range, and a large forest of wild walnut (Juglans regia) in the Jalal-Abad Region of Kyrgyzstan. Kyrgyzstan's first known export to Europe was the Arslanbob walnut. [1]
Thousand cankers disease (TCD) is a recently recognized disease of certain walnuts (Juglans spp.). The disease results from the combined activity of the walnut twig beetle (Pityophthorus juglandis) and a canker producing fungus, Geosmithia morbida. [1]