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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 ...
During the Byzantine era, the walnut was also known by the name "royal nut". [8] An article on walnut tree cultivation in Spain is included in Ibn al-'Awwam's 12th-century Book on Agriculture. [9] The wal element in the name is Germanic and means foreign, especially in the sense of Latin or non-Germanic. Compare, for example, Wales, Walloons ...
Juglans nigra, the eastern American black walnut, is a species of deciduous tree in the walnut family, Juglandaceae, native to central and eastern North America, growing mostly in riparian zones. Black walnut is susceptible to thousand cankers disease , which provoked a decline of walnut trees in some regions.
The Juglandaceae are a plant family known as the walnut family. They are trees , or sometimes shrubs, in the order Fagales . Members of this family are native to the Americas , Eurasia , and Southeast Asia .
Butternut A mature butternut tree Conservation status Endangered (IUCN 3.1) Vulnerable (NatureServe) Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade: Angiosperms Clade: Eudicots Clade: Rosids Order: Fagales Family: Juglandaceae Genus: Juglans Section: Juglans sect. Trachycaryon Species: J. cinerea Binomial name Juglans cinerea L. 1759 Natural range Synonyms Nux cinerea (L ...
Pecan derives from an Algonquian word variously referring to pecans, walnuts, and hickory nuts. [6] There are many pronunciations, some regional and others not. [7] There is little agreement in the United States regarding the "correct" pronunciation, even regionally.
Juglans regia, the Persian, English, or common walnut, a tree which produces most of the walnuts sold as food; Juglans, the genus of trees that produce walnuts; Endiandra, a genus of trees from south east Asia, Australia and the Pacific