Quercus buckleyi

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Quercus buckleyi
Quercus buckleyi leaves.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Subgenus: Quercus subg. Quercus
Section: Quercus sect. Lobatae
Q. buckleyi
Binomial name
Quercus buckleyi
  • Quercus texana Young
  • Quercus rubra var. texana Engelm.

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]

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.


  1. ^ Kenny, L. & Wenzell, K. (2015). "Quercus buckleyi". The IUCN Red List of Threatened Species. IUCN. 2015: e.T34030A2841110. doi:10.2305/IUCN.UK.2015-4.RLTS.T34030A2841110.en. Retrieved 10 November 2017.
  2. ^ "Quercus buckleyi Nixon & Dorr". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew – via The Plant List.
  3. ^ a b 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. ^ a b 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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