Biology:Pseudotsuga menziesii var. lindleyana

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Short description: Variety of conifer

Mexican Douglas-fir
Mexican Douglas fir (Pseudotsuga lindleyana) branch.jpg
Mexican Douglas-fir branch with cones
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pseudotsuga
Species:
P. menziesii
Variety:
P. m. var. lindleyana
Trinomial name
Pseudotsuga menziesii var. lindleyana
(Roezl) Carrière
Synonyms
  • P. lindleyana
  • P. flahaultii
  • P. guinieri
  • P. macrolepis
  • P. menziesii var. oaxacana
  • P. rehderi
  • Tsuga lindleyana

Pseudotsuga menziesii var. lindleyana, commonly known as the Mexican Douglas-fir, is a conifer in the genus Pseudotsuga that is endemic to Mexico.[1] DNA sequence[2] and morphological[3] evidence suggests it is most closely related to Rocky Mountain Douglas-fir (P. menziesii var. glauca) and might best be treated as an additional variety within P. menziesii.[1]

Distribution

Pseudotsuga menziesii var. lindleyana is native to the Sierra Madre Occidental, Sierra Madre Oriental, and scattered mountains as far south as Oaxaca. The Mexican Government lists Mexican Douglas-fir as "subject to special protection"[4] because its populations are small, isolated and show signs of low fertility and recruitment due to inbreeding depression.[5][6]

References

  1. ↑ 1.0 1.1 Earle, C.J.. "The Gymnosperm Database: Pseudotsuga lindleyana". http://conifersociety.org/conifers/conifer/pseudotsuga/lindleyana/. 
  2. ↑ Gugger, Paul F.; González-Rodríguez, Antonio; Rodríguez-Correa, Hernando; Sugita, Shinya; Cavender-Bares, Jeannine (2011). "Southward Pleistocene migration of Douglas-fir into Mexico: phylogeography, ecological niche modeling, and conservation of 'rear edge' populations". New Phytologist 189 (4): 1185–1199. doi:10.1111/j.1469-8137.2010.03559.x. PMID 21118265. http://www.tc.umn.edu/~gugg0030/Gugger_etal2011%20NewPhyt.pdf. 
  3. ↑ Reyes-Hernández, VJ; Vargas-Hernández JJ; López-Upton J; Vaquera-Huerta H (2006). "Phenotypic similarity among Mexican populations of Pseudotsuga Carr". Agrociencia 40 (4): 545–556. http://www.colpos.mx/agrocien/Bimestral/2006/jul-ago/art-13.pdf. 
  4. ↑ Norma Oficial Mexicana NOM-059-SEMARNAT-2010, Protección ambiental-Especies nativas de México de flora y fauna silvestres-Categorías de riesgo y especificaciones para su inclusión, exclusión o cambio-Lista de especies en riesgo.. Mexico City: Secretaría de Medio Ambiente y Recursos Naturales. 2010. http://www.profepa.gob.mx/innovaportal/file/435/1/NOM_059_SEMARNAT_2010.pdf. 
  5. ↑ Mápula-Larreta, M.; López-Upton, J.; Vargas-Hernández, J. J.; Hernández-Livera, A. (2007). "Reproductive indicators in natural populations of Douglas-fir in Mexico". Biodiversity and Conservation 16 (3): 727–742. doi:10.1007/s10531-005-5821-y. 
  6. ↑ "Pseudotsuga menziesii seed dispersion in populations of central Mexico.". Agrociencia 41 (1): 121–131. 2007. http://www.colpos.mx/agrocien/Bimestral/2007/ene-feb/art-12.pdf. 

External links

Wikidata ☰ Q7255679 entry




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