Range of Pinus durangensis (1). Adapted from a map by  www.expediamaps.com |
Pinus durangensis
Martínez 1942
Common Names
Taxonomic notesSyn: Pinus durangensis forma quinquefoliata Martínez 1948; Pinus martinezii Larsen 1964; Pinus douglasiana var. martinezii (Larsen) Silba 1990 (1).DescriptionRangeMexico: E Sonora & Chihuahua (rare), Durango, Zacatecas & N Jalisco (common), and scattered S through Jalisco & Michoacán. Its distribution is mainly through the S Sierra Madre Occidental, where it occurs at (1400-)1600-2800(-3000?) m elevation. At the lower elevation limits it may be found with Juniperus deppeana and Pinus oocarpa ; higher, it occurs in pure stands, in mixed pine forest with P. arizonica, P. leiophylla , or P. engelmannii as codominants, or in pine oak forests. At the upper limits of its distribution it can be found with Cupressus lusitanica and/or Abies [species not specified]. Other associated pines include P. montezumae , P. teocote , and in Michoacán, P. ayacahuite (1). See also (2).Big TreeOldestDendrochronologyEthnobotanyObservationsRemarksCitations(1) Farjon & Styles 1997 .(2) Robert S. Thompson, Katherine H. Anderson and Patrick J. Bartlein. 1999. Atlas of Relations Between Climatic Parameters and Distributions of Important Trees and Shrubs in North America. U.S. Geological Survey Professional Paper 1650 A&B. URL= http://greenwood.cr.usgs.gov/pub/ppapers/p1650-a/pages/conifers.html , accessed 22-Jan-2000. |
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