Juglans regia

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Juglans regia

Juglans regia, commonly known as the English walnut, Persian walnut, or Common walnut, is a species of walnut native to the region stretching from the Balkans eastward to the Himalayas and southwest China. The largest forests are in Kyrgyzstan, where trees occur in extensive, nearly pure walnut forests at 1,000–2,000 m altitude.

Pronunciation

  • English: /ˈdʒʌɡlənz ˈreɪdʒiə/
  • Latin: [ˈjuːɡlans ˈreːɡia]

Etymology

The name Juglans derives from Jupiter glans, "Jupiter's acorn": figuratively, a nut fit for a god. The specific epithet regia means 'royal'. The common name "English walnut" derives from the widespread cultivation of the tree in England in the 16th century.

Related Terms

  • Juglandaceae: The family to which Juglans regia belongs.
  • Juglone: A toxic compound found in the walnut tree.
  • Walnut oil: Oil extracted from the nuts of Juglans regia.
  • Walnut wood: The wood of the Juglans regia tree, used in furniture making.

See Also

External links

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