Juglans venezuelensis

Juglans venezuelensis, or nogal de Caracas,[1] is a species of black walnut endemic to Venezuela. It is a small tree which bears 1 inch nuts.[2]

Juglans venezuelensis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Juglandaceae
Genus: Juglans
Section: Juglans sect. Rhysocaryon
Species:
J. venezuelensis
Binomial name
Juglans venezuelensis
W.E.Manning[1]

Phenology

Juglans venezuelensis is deciduous, with a period of leaf fall between November and December, and a period of regrowth of leaves between January and February. Flowering begins in late February.

The species is monoecious, male flowers are hanging catkins and female ones are erect, both are small and greenish.

The fruits are drupes with yellow epicarp and abundant pubescence. The fruit is about 3 inches diameter and 1.5 cm walnut, weighing 150 grams on average.

Distribution

Juglans venezuelensis is endemic to Cerro El Avila in the Cordillera de la Costa of Venezuela. Currently there are two known wild populations of less than 100 individuals in the sector and the sector Canoes Summit Hoyo de Avila National Park.[3]

Conservation

Since 2004 there have been days of transplanting young individuals germinated in nurseries to reforest areas of the Camino de los Españoles, El Vigia and Guayabitos within the National Park and surrounding regions as Altos de Pipe.[4][5][6][7]

References
  1. Avendaño, N.; Espinoza Flores, Y.; Fernández, A.; Gallardo, A.; García, M.; Gonto, R.; Hokche, O.; Limonggi, T. (2020). "Juglans venezuelensis". IUCN Red List of Threatened Species. 2020: e.T66813974A66813976. doi:10.2305/IUCN.UK.2020-3.RLTS.T66813974A66813976.es. Retrieved 20 November 2021.
  2. W. E. Manning "The Genus Juglans in South America and the West Indies" Brittonia 12(1960) pp. 1—26
  3. Ortiz, R.; Salazar, A. (2004). El nogal de Caracas, patrimonio emblemático de la ciudad. Ministerio del Poder Popular para el Ambiente. Producción Editorial Rayuela.
  4. Leopoldo Martínez, Nelly Judith Pérez de Cádiz, Lorena Beatriz Garrido, Elvira Coa, Rodolfo Rodrígez, Dayaleth Alfonzo, Diego Griffon. Proyecto Nogal de Caracas. Reforestando las cuencas altas del Parque Nacional El Ávila. 2009
  5. Venpres 2009:Museo de Ciencias celebra Día del Árbol este domingo Archived 2012-07-15 at the Wayback Machine
  6. Ministerio del Ambiente/Ministerio del Poder Popular para la Comunicación y la Información 2009: Misión Árbol salva especies en extinción
  7. Instituno Nacional de Parques 2009 Sembraron 200 nogales en el Guaraira Repano http://www.inparques.gob.ve Archived 2012-09-15 at the Wayback Machine
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