Nuts are hard, dry, single-seeded fruits which do not open at maturity. Nuts provide nourishment for any animals that are able to open the shells. Many fruits are called nuts, even though biologists would not classify them as such.



Hazel, or Hazelnut, a shrub or small tree of the birch family. Hazels grow in the temperate regions of Europe, Asia, and North America.

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  • Almond

    Almond, the name of a fruit and the tree bearing it. The fruit is commonly called a nut, but botanically it is not a true nut but a drupe. See more »

  • Brazil Nut
    Brazil Nut

    Brazil Nut, the edible seed of a tropical American evergreen tree. Among its other names are Para nut, cream nut, and castana. See more »

  • Kola Nut
    Kola Nut

    Kola Nut, an edible nut of the kola tree, an evergreen native to Africa. (Botanically, it is not a true nut, but rather the kernel of a fruit called a drupe.) The nut is creamy white and about one inch (2.5 cm) long. See more »

  • Macadamia nut
    Macadamia nut

    Macadamia Nut, an oily, edible nut produced by several species of evergreen shrubs and trees. See more »

  • Pecan

    Pecan, the name of a North American tree and of the fruit that it bears. The fruit is commonly called a nut, but botanically it is not a nut but a drupe. See more »

  • Pistachio

    Pistachio, a small, resinous tree with edible seeds. It is related to the mango and pepper tree. See more »

  • Walnut

    Walnut, a tree valued for its edible nuts, for its beautiful wood, and as a shade tree. See more »

  • Cashew

    Cashew, k $aD -sh$ooX', a spreading tree native to tropical America. It reaches 20 to 40 feet (6 to 12 m) in height. See more »

  • Chestnut

    Chestnut, a nut-bearing hardwood tree related to the oak and beech. Its burlike fruit contains one to three nuts, also called chestnuts, that resemble large acorns flattened on one side. See more »

  • Filbert

    Filbert, a flavorful nut with a brittle shell. Most cultivated filberts are obtained from hybrids of the European hazel, giant hazel, and cobnut trees. See more »

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