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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fagales

Familia: Juglandaceae
Subfamilia: Juglandoideae
Genus: Juglans
Species: Juglans australis

Juglans australis Griseb., 1879

Juglans brasiliensis Dode, Bull. Soc. Dendr. France, 209 (1909)

Native distribution areas:

Continental: Southern America
Regional: Southern South America
Argentina (Jujuy, Salta)
Regional: Western South America
Bolivia (Chuquisaca, Santa Cruz, Tarija)

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Grisebach, A.H.R., 1879. Abh. Königl. Ges. Wiss. Göttingen 24:97. (Symb. fl. argent.)

Additional references

Zuloaga, F.O. & Belgrano, M.J. (eds.) 2017. Flora Argentina. Flora vascular de la República Argentina 17: Dicotyledoneae-Celastrales, Cucurbitales, Fagales, Malpighiaceae, Oxalidales. San Isidro: Instituto de Botánica Darwinion, 434 pp. ISBN 978-987-45957-7-5. JSTOR Paywall. Online version. Reference page.


Govaerts, R. et al. 2022. Juglans australis in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2022 Mar 02. Reference page.
Hassler, M. 2022. Juglans australis. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2022. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2022 Mar 02. Reference page. 2022. Juglans australis. Missouri Botanical Garden. Published online. Accessed: 02 Mar 2022.
International Plant Names Index. 2022. Juglans australis. Published online. Accessed: Mar 02 2022.
USDA, ARS, Germplasm Resources Information Network. Juglans australis in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 2022 Mar 02.

Vernacular names
English: Nogal austral
español: Nogal de monte

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 elevations of 0.5—1.5 km in the Southern Andean Yungas, montane cloud forests on the eastern slopes of the Andes in Tucumán, Salta, and Jujuy provinces of Argentina and Tarija and Chuquisaca departments of Bolivia.[1] 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.

Like most walnuts, J. australis produces juglone, an allelopathic substance which decreases competition from other plants growing nearby.

It is more frost resistant than the Persian walnut (J. regia).

The immature fruits are pickled whole for human consumption. The mature nuts are also eaten. The concentrated extract of the husk is used as a vermifuge.

World Conservation Monitoring Centre (1998). "Juglans australis". IUCN Red List of Threatened Species. 1998: e.T34359A9862421. doi:10.2305/IUCN.UK.1998.RLTS.T34359A9862421.en. Retrieved 17 November 2021.
Pablo Schliserman, Sergio Ovruski, Carolina Colin, Allen Norrbom & Martin Aluja: "First Report of Juglans Australis (Juglandaceae) as a Natural Host Plant for Anastrepha schultzi (Diptera:Tephritidae) with Notes on Probable Parasitism by Doryctobracon areikatys, D. brasiliensis, Opius bellus (Braconidae) and Aganaspis pelleranoi (Figitidae)" the Florida Entomologist 87(4)597-9 (Dec. 2004). The Florida Entomoloical Society, Lutz, FL (USA)
"Archived copy". Archived from the original on 2009-03-02. Retrieved 2010-02-04.

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