Quercus austrina

Quercus austrina
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Section: Quercus
Species: Q. austrina
Binomial name
Quercus austrina
Small 1903
Natural range for Quercus austrina
Synonyms[1]
  • Quercus durandii var. austrina (Small) E.J.Palmer

Quercus austrina, the bastard white oak[2] or bluff oak, is an oak species that is endemic to the southeastern United States from Mississippi to the Carolinas, with a few isolated populations in Arkansas.[3][4]

Quercus austrina can grow to a height of 45 to 60 feet (13.5-18.0 meters) with a spread of 35 to 50 feet (10.5-15.0 meters). Leaves are narrow, with shallow rounded lobes. It tends to grow in wet habitats, such as on river bluffs, river bottoms, and flatwoods, and generally over basic substrates, such as mafic rocks, shells, or calcareous sediment.[3][5]

Quercus austrina specimens have often been misidentified as either Q. sinuata or Q. nigra.[3]

References

  1. The Plant List, Quercus austrina Small
  2. "Quercus austrina". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 30 July 2015.
  3. 1 2 3 Quercus austrina in Flora of North America
  4. Biota of North America Program 2014 county distribution map
  5. Flora of the Southern and Mid-Atlantic States by Alan S. Weakley
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