Quercus × crenata

Quercus × crenata, commonly known as Spanish oak, is tree in the family Fagaceae. It is a hybrid between the European trees Turkey oak (Quercus cerris) and cork oak (Quercus suber)[2]. This hybrid has in the past often been called Quercus × hispanica, a name that refers to presumed hybrids between Quercus tlemcenensis and Quercus suber [3].

Quercus × crenata
Quercus crenata plant
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. Cerris
Species:
Q. × crenata
Binomial name
Quercus × crenata
Synonyms[1]

Quercus × hispanica Lam.

Distribution

Hybridisation occurs naturally in southwestern Europe where both parent species occur.[4] The Lucombe oak cultivar is frequently found in British collections. To be a true Lucombe oak, cultivars must be clones of the original hybrid arising in William Lucombe's Exeter nursery.[5]

Cultivation

A number of named cultivars are grown in gardens, parks, arboreta and botanical gardens.

Cultivars
  • Quercus × crenata 'Lucombeana' ("Lucombe oak"), originally raised by William Lucombe at his Exeter, UK nursery in 1762. An early Lucombe Oak is in Kew Gardens arboretum, and is regarded as one of their 'heritage trees'.[6] The Tree Register of the British Isles−TROBI Champion is at Phear Park in Exmouth, measuring 26 metres (85 ft) in height, with a trunk diameter of 261 centimetres (103 in) in 2008.[7]
  • Quercus × crenata 'Waasland' ("Waasland select oak"), leaves display an unusual slender, lobed shape.[8]
  • Quercus × crenata 'Waginengen' ("Waginengen oak")[9]
  • Quercus × crenata 'Fulhamensis' ("Fulham oak")
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References
  1. "Quercus crenata Lam.". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew – via The Plant List.
  2. Conte, L.; Cotti, C.; Cristofolini, G. (2007). "Molecular evidence for hybrid origin of Quercus crenata Lam. (Fagaceae) from Q. cerris L. and Q. suber L.". Plant Biosystems. 141 (2): 181–193. doi:10.1080/11263500701401463.
  3. Vázquez Pardo, F.M.; Coombes, A.J.; García Alonso, D.; Márquez García, F.; Rodrigues Meireles, C.; Guerra Barrena, M.J.; Vila-Viçosa, C. (2018). "Anotaciones a la nomenclatura del género Quercus L., (FAGACEAE) en la Península Ibérica y NW de África". Fol. Bot. Extremadurensis. 12: 5–79.
  4. Johnson, O. & More, D. (2004), Collins Tree Guide - The Most Complete Field Guide to the Trees of Britain and Europe, Collins, p. 220, ISBN 978 0 00720771 8
  5. "'Lucombeana' Lucombe Oak". treesandshrubsonline.org. Retrieved 28 August 2018.
  6. "About Kew's Arboretum". kew.org. Retrieved 28 August 2018.
  7. Johnson, O. (2011), Champion Trees of Britain & Ireland, Kew Publishing, London, p. 142, ISBN 978-1842464526
  8. "Quercus x crenata 'Waasland'". ornamental-trees.co.uk. Retrieved 28 August 2018.
  9. "Quercus x crenata 'Wageningen'". majestictrees.co.uk. Retrieved 28 August 2018.
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