Juglans australis

Juglans australis
Bark of tree at Hackfalls Arboretum, New Zealand
Conservation status
Near Threatened (IUCN 2.3)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Juglandaceae
Genus:	Juglans
Section:
Species:	J. australis
Binomial name
Juglans australis Gris.

This article may be expanded with text translated from the corresponding article in Spanish. (February 2010) Click [show] for important translation instructions. View a machine-translated version of the Spanish article. Machine translation like DeepL or Google Translate is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 4,759 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Spanish Wikipedia article at [[:es:Juglans australis]]; see its history for attribution. You should also add the template {{Translated|es|Juglans australis}} to the talk page. For more guidance, see Wikipedia:Translation.

Juglans australis, the nogal criollo,^[2] is a species of plant in the Juglandaceae family. This large, fast-growing tree can grow to 20 m (66 ft) tall at altitudes of 0.5—1.5 km in the "Yungas" or Montane Cloud Forest of Argentina (including the provinces of Tucumán, Salta and Jujuy) and in Bolivia. It is more frost resistant than the Persian Walnut (J. regia). It is threatened by habitat loss.

J. australis is a spreading deciduous tree, up to 25 m. wide which produces first quality lumber, with a straight trunk up to 6 m. tall and up to 5 dm. in diameter. The wood is dense (640 kg/m³), hard, and strong. Upon drying, the radial shrinkage is 2.2%, the tangential 4.7%.^[3] The pinnately compound leaves are borne alternately, and bear up to fifteen oval-lanceolate finely serrate leaflets.

The immature fruits are pickled whole for human consumption. The mature nuts are also eaten.

Like most walnuts, J. australis produces juglone, an allelopathic substance which decreases competition from other plants growing nearby. The concentrated extract of the husk is also used as a vermifuge.

References[]

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