Editing Quercus petraea (section)

{{short description|Species of flowering plant in the beech and oak family Fagaceae}}

</noinclude>{{Use dmy dates|date=April 2022}}
{{speciesbox
| image = Quercus petraea 06.jpg
| image_caption = A mature tree
| status = LC
| status_system = IUCN3.1
| status_ref = <ref name="iucn status 19 November 2021">{{cite iucn |author=Gorener, V. |author2=Khela, S. |author3=Barstow, M. |date=2017 |title=''Quercus petraea'' |volume=2017 |page=e.T62539A3116237 |doi=10.2305/IUCN.UK.2017-3.RLTS.T62539A3116237.en |access-date=19 November 2021}}</ref>
| genus = Quercus
| display_parents = 2
| parent = Quercus sect. Quercus
| species = petraea
| authority = ([[Heinrich Gottfried von Mattuschka|Matt.]]) [[Franz Kaspar Lieblein|Liebl.]]<ref name=TPL>{{ThePlantList | accessdate = 14 Sep 2016}}</ref>
| range_map = Quercus petraea range.svg
| range_map_caption = Distribution map
| subdivision_ranks = Subspecies
| subdivision = [[#Subspecies|See text]].
| synonyms_ref = <ref name=TPL/>
| synonyms = {{collapsible list|bullets = true
  |''Quercus robur'' var. ''petraea'' <small>Matt.</small>
  |''Quercus brevipedunculata'' <small>Cariot & St.-Lag.</small> 
  |''Quercus calcarea'' <small>Troitsky</small>
  |''Quercus columbaria'' <small>Vuk.</small>
  |''Quercus coriacea'' <small>Bechst.</small>
  |''Quercus coronensis'' <small>Schur</small>
  |''Quercus decipiens'' <small>Behlen</small> 
  |''Quercus dispar'' <small>Raf.</small> 
  |''Quercus durinus'' <small>Raf.</small>
  |''Quercus erythroneura'' <small>Vuk.</small>
  |''Quercus esculus'' <small>L.</small>
  |''Quercus longipetiolata'' <small>Schur</small>
  |''Quercus mas'' <small>Thore</small> 
  |''Quercus mespilifolia'' <small>Wallr.</small>
  |''Quercus peraffinis'' <small>Gand.</small>
  |''Quercus petiolata'' <small>Schur</small>
  |''Quercus regalis'' <small>Burnett ex Endl.</small> 
  |''Quercus sessiliflora'' <small>Salisb.</small>
  |''Quercus sessilis'' <small>Ehrh. ex Schur</small>
  |''Quercus spathulifolia'' <small>Vuk.</small>
  |''Quercus sphaerocarpa'' <small>Vuk.</small>
  |''Quercus sublobata'' <small>Kit.</small>
  |''Quercus huguetiana'' <small>(Franco & G.López) Rivas Mart.</small>
  |''Quercus colchica'' <small>Czeczott</small>
  |''Quercus dshorochensis'' <small>K.Koch</small>
  |''Quercus hypochrysa'' <small>Steven</small>
  |''Quercus iberica'' <small>Steven ex M.Bieb.</small>
  |''Quercus kochiana'' <small>O.Schwarz</small> 
  |''Quercus kozlowskyi'' <small>Woronow ex Grossh.</small>
  |''Quercus lamprophyllos'' <small>K.Koch</small>
  |''Quercus polycarpa'' <small>Schur</small>
  |''Quercus sorocarpa'' <small>Woronow ex Maleev</small> 
  |''Quercus szowitzii'' <small>Wenz.</small>
  |''Quercus abietum'' <small>Kotschy ex A.DC.</small>
  |''Quercus cedrorum'' <small>Kotschy</small>
  |''Quercus ibicis'' <small>Kotschy ex A.DC.</small>
  |''Quercus pinnatiloba'' <small>K.Koch</small> 
  |''Quercus subalpina'' <small>Kotschy ex A.DC.</small>
  |''Quercus tergestina'' <small>Wenz.</small>
  |plus a long list of invalid names and another long list of names below the species level
  }}
}}

'''''Quercus petraea''''', commonly known as the '''sessile oak''',<ref name=BSBI07>{{BSBI 2007 | access-date = 14 Sep 2016 |df = dmy-all}}</ref> '''Welsh oak''',<ref>{{cite book |last1=Acton |first1=Jules |title=Oaklore: Adventures in a World of Extraordinary Trees |date=2024 |publisher=Greystone Books Ltd |location=La Vergne |isbn=9781771649674 |edition=1st |url=https://books.google.com/books?id=rED9EAAAQBAJ&dq="Welsh+oak"&pg=PT11 |access-date=3 March 2025}}</ref> '''Cornish oak''',<ref>{{Cite web
 |title        = Sessile oak
 |website      = [[ARKive.org]]
 |url          = http://www.arkive.org/sessile-oak/quercus-petraea/
 |access-date  = 2017-05-15
 |archive-url  = https://web.archive.org/web/20170530112611/http://www.arkive.org/sessile-oak/quercus-petraea/
 |archive-date = 2017-05-30
 |url-status     = dead
}}</ref> '''Irish oak''' or '''durmast oak''',<ref name=GRIN>{{GRIN | name = ''Quercus petraea'' | access-date = 14 Sep 2016}}</ref> is a [[species]] of [[oak]] tree [[native plant|native]] to most of Europe and into [[Anatolia]] and [[Iran]]. The sessile oak is the national tree of [[Ireland]],<ref>Mitchell, Alan (1974). "Field Guide to the Trees of Britain and Northern Europe (Collins Field Guide)", HarperCollins Distribution Services, New York. {{ISBN|0002120356}}.</ref> and an unofficial emblem in [[Wales]]<ref>[http://news.bbc.co.uk/1/hi/wales/north_west/3920051.stm "Tree trail with worldwide flavour"], [[BBC News]], 23 July 2004</ref> and [[Cornwall]].<ref>{{cite book| first=James |last=Minahan |title=The complete guide to national symbols and emblems |volume=1 |date=2009 |isbn=978-0313344961 |publisher=Greenwood }}</ref><ref>[http://www.thisiscornwall.co.uk/native-trees-thrive-future/story-13244009-detail/story.html West Briton, September 01, 2011, Will native trees thrive in the future?] {{webarchive|url=https://web.archive.org/web/20130609133621/http://www.thisiscornwall.co.uk/native-trees-thrive-future/story-13244009-detail/story.html |date=June 9, 2013 }}</ref>