Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Juglans columbiensis Dode; Juglans honorei Dode

Common name(s): [more details]

English: Andean walnut, Ecuador walnut

Spanish: nogal

Habit:  tree

Description:  "A tree to 30 meters high, the stout young branchlets, especially at tip, and the leaf rachis at flowering time conspicuously rusty-pubescent; leaflets 7-8 pairs (-14 according to Dode), at first above sparsely, beneath densely velvety-pubescent, the largest middle leaflets about 12 cm long and 4 cm wide, gradually long-acuminate, minutely and evenly serrate; staminate aments 20-25 cm long, the flowers partly remote, partly approximate; bractlets 2-3.5 mm long, yellowish-brown-pilose; anthers apically pubescent; pistillate flowers 3-10; calyx urceolate, rusty-tomentose, 18 mm long, 6-7 mm broad, the narrow, reflexed teeth unequal, the larger 5 mm, the smaller 2 mm long; perianth segments 4, reflexed, irregularly dentate, 6 mm long, 3-4 mm wide; stigmatic branches broadly lingulate, densely papillose, 8-9 mm long, 4 mm broad" (Macbride, 1937; p. 265).

Habitat/ecology:  0-500 m in the Galápagos Islands, 2000-3500 m in the Andes (Jørgensen & León-Yánez, 1999).

Propagation:  Seed

Native range:  Venezuela, Colombia, Ecuador, Peru (GRIN)

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Ecuador (Galápagos Islands) Floreana Group	Floreana Island	introduced invasive cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Isabela Island	introduced invasive cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Volcán Sierra Negra, Isabela Island	introduced invasive cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) San Cristóbal Group	San Cristóbal Island	introduced invasive cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Santa Cruz Group	Santa Cruz Island	introduced invasive cultivated	Charles Darwin Foundation (2008)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Colombia Colombia	Colombia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Ecuador (Mainland) Ecuador	Ecuador (Republic of) (continental)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Perú Perú	Perú (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)

Additional information:
Information from the USDA Tropical Tree Seed Manual (PDF format).

Additional online information about Juglans neotropica is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Juglans neotropica as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Juglans neotropica may be available from the Germplasm Resources Information Network (GRIN).

References:

Charles Darwin Foundation. 2008. Database inventory of introduced plant species in the rural and urban zones of Galapagos. Charles Darwin Foundation, Galapagos, Ecuador.

Charles Darwin Research Station. 2005. CDRS Herbarium records.

Jørgensen, Peter Møller/León-Yánez, Susana, eds. 1999. Catalogue of the vascular plants of Ecuador. Catálogo de las plantas vasculares del Ecuador. Mon. Syst. Bot. Miss. Bot. Gard. 75:1-1181.

Macbride, J. Francis. 1936. Flora of Peru. Field Museum of Natural History, Botanical Series, Vol. XIII. 1936-1971, 6 parts.

U.S. Dept. Agr., Agr. Res. Serv. 2011. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.