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  2. Walnut - Wikipedia

    en.wikipedia.org/wiki/Walnut

    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.

  3. Juglans regia - Wikipedia

    en.wikipedia.org/wiki/Juglans_regia

    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.

  4. Juglans - Wikipedia

    en.wikipedia.org/wiki/Juglans

    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 ...

  5. Juglans nigra - Wikipedia

    en.wikipedia.org/wiki/Juglans_nigra

    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.

  6. Juglans cinerea - Wikipedia

    en.wikipedia.org/wiki/Juglans_cinerea

    The flowers of both sexes typically do not mature at the same time on an individual tree. [5] The fruit is a lemon-shaped nut, produced in bunches of two to six together; the nut is oblong-ovoid, 3–6 cm (1 + 1 ⁄ 4 – 2 + 1 ⁄ 4 in) long [5] and 2–4 cm (3 ⁄ 4 – 1 + 1 ⁄ 2 in) broad, surrounded by a green husk before maturity in ...

  7. Juglans major - Wikipedia

    en.wikipedia.org/wiki/Juglans_major

    Juglans major (literally, the larger walnut), also known as Arizona walnut, [1] is a walnut tree which grows to 50 ft tall (15 m) with a DBH of up to 0.61 metres (2 ft) at elevations of 300–2,130 m (1,000–7,000 ft) in Texas, Oklahoma, New Mexico, Arizona, and Utah. [4] It also occurs in Mexico as far south as Guerrero. [5]

  8. Carya laciniosa - Wikipedia

    en.wikipedia.org/wiki/Carya_laciniosa

    Carya laciniosa, the shellbark hickory, in the Juglandaceae or walnut family is also called kingnut, big, bottom, thick, or western shellbark, attesting to some of its characteristics. It is a slow-growing, long-lived tree, hard to transplant because of its long taproot, and subject to insect damage.

  9. Juglandaceae - Wikipedia

    en.wikipedia.org/wiki/Juglandaceae

    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.