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Quercus fusiformis

Quercus fusiformis (also often referred to as Q. virginiana var. fusiformis), commonly known as escarpment live oak, plateau live oak, plateau oak, or Texas live oak, is an evergreen or nearly evergreen tree.[2] Its native range includes the Quartz Mountains and Wichita Mountains in southwestern Oklahoma,[3] through Texas, to the Mexican states of Coahuila, Tamaulipas, and Nuevo León.[4][5]

Escarpment live oak
At the Alamo in San Antonio, Texas
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. Virentes
Species:
Q. fusiformis
Binomial name
Quercus fusiformis
Synonyms[1]
List
  • Quercus oleoides var. quaterna C.H.Mull.
  • Quercus virginiana var. fusiformis (Small) Sarg.
  • Quercus virginiana subsp. fusiformis (Small) A.E.Murray
  • Quercus virginiana var. macrophylla Sarg.
  • Quercus virginiana f. macrophylla (Sarg.) Trel.

Quercus fusiformis is an evergreen tree in the southern live oaks section of the genus Quercus (section Virentes).[6] It is distinguished from Quercus virginiana (southern live oak) most easily by the acorns, which are slightly larger and with a more pointed apex. It is also a smaller tree, not exceeding 1 metre (40 inches) in trunk diameter – compared to 2.5 m (75 in) in diameter in southern live oak – with more erect branching and a less wide crown.[5] Like Q. virginiana, its magnificent, stately form and unparalleled longevity has endeared it to generations of residents throughout its native range. Its low hanging branches are a favorite for local children to climb and play in.

Escarpment live oak is typically found on dry sites, unlike southern live oak, which prefers moister conditions. The tree, especially the Quartz Mountains variety, is generally accepted to be the hardiest evergreen oak, able to withstand very cold winters with minimal leaf burn in areas as cold as USDA zone 6a. For this reason the tree has become popular within the landscape industry for its beauty, ability to endure urban conditions, and general hardiness. It is prevalently used for these purposes in Texas and southern Oklahoma but use is becoming more widespread in the Western US.

The largest recorded individual tree of Q. fusiformis in the state of Texas is found in Bosque County[7][8] (not to be confused with the "Election Oak" or Bosque County Oak). It has a circumference of 870 centimetres (342 in), which is actually larger than the largest recorded Q. virginiana in the state, listed at 860 cm (338 in).

References edit

  1. ^ "Quercus fusiformis Small". World Checklist of Selected Plant Families. Royal Botanic Gardens, Kew – via The Plant List. Note that this website has been superseded by World Flora Online
  2. ^ "Texas Big Tree Registry".
  3. ^ Bruce Hoagland. "Quercus fusiformis". Oklahoma Biological Survey. Oklahoma Biological Survey. Retrieved October 10, 2012.
  4. ^ "Quercus fusiformis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  5. ^ a b Nixon, Kevin C. (1997). "Quercus fusiformis". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 3. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  6. ^ Denk, Thomas; Grimm, Guido W.; Manos, Paul S.; Deng, Min & Hipp, Andrew L. (2017). "Appendix 2.1: An updated infrageneric classification of the oaks" (xls). figshare. Retrieved 2023-02-18.
  7. ^ "Texas Big Tree Registry". texasforestinfo.tamu.edu. Retrieved 2021-04-26.
  8. ^ "Texas live Oak (Quercus fusiformis)". American Forests. 2016-09-17. Retrieved 2021-04-26.

External links edit

  •   Media related to Category:Quercus fusiformis at Wikimedia Commons
  • Texas Native Plants Database, Texas A&M University: Quercus fusiformishorticultural/ornamental tree description.
  • Native Plant Database profile, Lady Bird Johnson Wildflower Center, University of Texas at Austin
  • photo of herbarium specimen collected in Nuevo León in 2003


quercus, fusiformis, also, often, referred, virginiana, fusiformis, commonly, known, escarpment, live, plateau, live, plateau, texas, live, evergreen, nearly, evergreen, tree, native, range, includes, quartz, mountains, wichita, mountains, southwestern, oklaho. Quercus fusiformis also often referred to as Q virginiana var fusiformis commonly known as escarpment live oak plateau live oak plateau oak or Texas live oak is an evergreen or nearly evergreen tree 2 Its native range includes the Quartz Mountains and Wichita Mountains in southwestern Oklahoma 3 through Texas to the Mexican states of Coahuila Tamaulipas and Nuevo Leon 4 5 Escarpment live oakAt the Alamo in San Antonio TexasScientific classificationKingdom PlantaeClade TracheophytesClade AngiospermsClade EudicotsClade RosidsOrder FagalesFamily FagaceaeGenus QuercusSubgenus Quercus subg QuercusSection Quercus sect VirentesSpecies Q fusiformisBinomial nameQuercus fusiformisSmallSynonyms 1 List Quercus oleoides var quaterna C H Mull Quercus virginiana var fusiformis Small Sarg Quercus virginiana subsp fusiformis Small A E MurrayQuercus virginiana var macrophylla Sarg Quercus virginiana f macrophylla Sarg Trel Quercus fusiformis is an evergreen tree in the southern live oaks section of the genus Quercus section Virentes 6 It is distinguished from Quercus virginiana southern live oak most easily by the acorns which are slightly larger and with a more pointed apex It is also a smaller tree not exceeding 1 metre 40 inches in trunk diameter compared to 2 5 m 75 in in diameter in southern live oak with more erect branching and a less wide crown 5 Like Q virginiana its magnificent stately form and unparalleled longevity has endeared it to generations of residents throughout its native range Its low hanging branches are a favorite for local children to climb and play in Escarpment live oak is typically found on dry sites unlike southern live oak which prefers moister conditions The tree especially the Quartz Mountains variety is generally accepted to be the hardiest evergreen oak able to withstand very cold winters with minimal leaf burn in areas as cold as USDA zone 6a For this reason the tree has become popular within the landscape industry for its beauty ability to endure urban conditions and general hardiness It is prevalently used for these purposes in Texas and southern Oklahoma but use is becoming more widespread in the Western US The largest recorded individual tree of Q fusiformis in the state of Texas is found in Bosque County 7 8 not to be confused with the Election Oak or Bosque County Oak It has a circumference of 870 centimetres 342 in which is actually larger than the largest recorded Q virginiana in the state listed at 860 cm 338 in References edit Quercus fusiformis Small World Checklist of Selected Plant Families Royal Botanic Gardens Kew via The Plant List Note that this website has been superseded by World Flora Online Texas Big Tree Registry Bruce Hoagland Quercus fusiformis Oklahoma Biological Survey Oklahoma Biological Survey Retrieved October 10 2012 Quercus fusiformis County level distribution map from the North American Plant Atlas NAPA Biota of North America Program BONAP 2014 a b Nixon Kevin C 1997 Quercus fusiformis In Flora of North America Editorial Committee ed Flora of North America North of Mexico FNA Vol 3 New York and Oxford Oxford University Press via eFloras org Missouri Botanical Garden St Louis MO amp Harvard University Herbaria Cambridge MA Denk Thomas Grimm Guido W Manos Paul S Deng Min amp Hipp Andrew L 2017 Appendix 2 1 An updated infrageneric classification of the oaks xls figshare Retrieved 2023 02 18 Texas Big Tree Registry texasforestinfo tamu edu Retrieved 2021 04 26 Texas live Oak Quercus fusiformis American Forests 2016 09 17 Retrieved 2021 04 26 External links edit nbsp Media related to Category Quercus fusiformis at Wikimedia Commons Texas Native Plants Database Texas A amp M University Quercus fusiformis horticultural ornamental tree description Native Plant Database profile Lady Bird Johnson Wildflower Center University of Texas at Austin photo of herbarium specimen collected in Nuevo Leon in 2003 nbsp This article about plants in the genus Quercus is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Quercus fusiformis amp oldid 1140346070, wikipedia, wiki, book, books, library,

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