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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.
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.
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.
The native forests of the deodar cedar (Cedrus deodara) are located in the Himalayas, from Nepal through Pakistan, India and Afghanistan.This range is mostly dominated by Cedrus deodara; other species include Quercus ilex, Juglans regia, Taxus wallichiana, Picea smithiana, Abies pindrow, Pinus giardiana, Pinus wallichiana.
Juglans hindsii, commonly called the Northern California black walnut and Hinds's black walnut, is a species of walnut tree native to the western United States (California and Oregon). [ 1 ] [ 2 ] [ 3 ] It is commonly called claro walnut by the lumber industry and woodworkers, and is the subject of some confusion over its being the root stock ...
Juglans cinerea, commonly known as butternut or white walnut, [4] is a species of walnut native to the eastern United States and southeast Canada. Description [ edit ]
Continuous range • Isolated ... Wild relatives of food crops native to Armenia and ... The genetic diversity and introgression of Juglans regia and Juglans ...