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Range of Pinus douglasiana (Farjon and Styles 1997). Adapted from a map by www.expediamaps.com

 

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Conservation status

Pinus douglasiana

Martínez 1943

Common names

Taxonomic notes

Type: Nayarit, Cerro Juanacata, July 1940, M. Martínez 3429 (holotype, MEXU) (Farjon and Styles 1997).

Description

Range

Mexico: Mainly Jalisco, Michoacán, México & N Morelos, but extending N into Nayarit and the Sierra Medre Occidental crest between Sinaloa and Durango, and extending S locally into Guerrero & Oaxaca. Found at (1100-)1400-2500(-2700) m elevation in mixed pine and pine-oak forests. At the highest and wettest sites it is associated with Abies sp., Picea sp. (in Durango) or Cupressus lusitanica. More commonly, it is found with Pinus pseudostrobus, P. herrerae, P. leiophylla, P. lawsonii, P. ayacahuite in the S part of its range, P. oocarpa at low elevations, and P. devoniana in drier sites (Farjon and Styles 1997). See also Thompson et al. (1999).

Big tree

Oldest

Dendrochronology

Ethnobotany

An important timber tree within its range, typically logged with its congeners in mixed stands (Farjon and Styles 1997).

Observations

Remarks

P. douglasiana is parasitized by the mistletoe Cladocolea cupulata Kuijt (Loranthaceae) (Kenaley and Mathiasen 2006), and by the dwarf mistletoe Arceuthobium globosum subsp. grandicaule (Hawksworth and Wiens 1996).

Citations

See also