Quercus buckleyi

Quercus buckleyi, commonly known as Texas red oak or Buckley's oak, is a species of flowering plant in the beech family.[4][5] It is endemic to the southern Great Plains of the United States (Oklahoma and Texas).[6]

Quercus buckleyi
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Subgenus: Quercus subg. Quercus
Section: Quercus sect. Lobatae
Species:
Q. buckleyi
Binomial name
Quercus buckleyi
Nixon & Dorr
Synonyms[2][3]
  • Quercus texana Young
  • Quercus rubra var. texana Engelm.

Buckley's oak is smaller and more likely to be multitrunked than its close relative, the Shumard oak (Quercus shumardii). The two species are interfertile, and hybrids are common along a line from Dallas to San Antonio, Texas. Texas red oak usually is 30 to 50 ft (9 to 15 m) tall at maturity, and seldom reaches a height of more than 75 ft (23 m).[7]

Quercus buckleyi was formerly known as Q. texana, but under botanical rules of priority, that name properly refers to Nuttall's oak.[3] This has led to much confusion.[7][8]

It is a highly regarded ornamental and shade tree. In autumn, the leaves turn vivid red and orange.

References
  1. Kenny, L. & Wenzell, K. (2015). "Quercus buckleyi". IUCN Red List of Threatened Species. 2015: e.T34030A2841110. doi:10.2305/IUCN.UK.2015-4.RLTS.T34030A2841110.en.
  2. "Quercus buckleyi Nixon & Dorr". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew – via The Plant List.
  3. Tropicos search for Quercus texana
  4. Preston, Richard J.; Braham, Richard R. Quercus buckleyi. In: North American trees. Iowa State Press.
  5. "Quercus buckleyi". Natural Resources Conservation Service PLANTS Database. USDA.
  6. "Quercus buckleyi". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  7. Nixon, Kevin C. (1997). "Quercus buckleyi". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 3. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  8. Dorr, L. J. & K. C. Nixon. 1985. Typification of the oak (Quercus) taxa described by S.B. Buckley (1809-84). Taxon 34(2): 211–228.
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