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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.
Download as PDF; Printable version; In other projects ... This article is a list of diseases of Persian Walnuts (Juglans regia). Bacterial diseases. Bacterial ...
A walnut is the edible seed of any tree of the genus Juglans (family Juglandaceae), particularly the Persian or English walnut, Juglans regia. They are accessory fruit because the outer covering of the fruit is technically an involucre and thus not morphologically part of the carpel; this means it cannot be a drupe but is instead a drupe-like nut.
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.
[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 ...
Nogal (Juglans regia)Juglandales is an order of flowering plants.This order was recognised in several systems (e.g. Engler system and Wettstein system).The Cronquist system placed the order in the subclass Hamamelidae, as comprising the families Juglandaceae and Rhoipteleaceae, the latter consisting of only a single species.
Juglans regia 'Zijing' (Chinese: 紫京彩叶核桃树,紫京核桃树) is a cultivar of walnut developed in Beijing, China. [1] IT was developed frommother trees of purple-leaved walnut, which was found in the mountains of Qingshui, Mentougou District, China in 1998. [2] J. regia Zijing was cultivated by Wang Xiupo.