Quercus × turneri
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Species:
Q. × turneri
Binomial name
Quercus × turneri

Quercus × turneri (or Quercus turneri), known as Turner's oak, is a hybrid species of white oak native to Spain.[2] It is a naturally occurring hybrid of holm oak (Quercus ilex) and pedunculate oak (Quercus robur), found where their ranges overlap, but was first described from cultivation. A semi-evergreen tree of small to medium size with a rounded crown, it was originally raised at the Holloway Down Nursery of Spencer Turner, Leyton, Essex, UK, noted by the zoologist Jean-Baptiste Lamarck at Trianon, Versailles in 1783, as the chêne de turnère.[3] (Turner had died in January 1776, and the nursery grounds, on extended lease, returned to the landowner.)[4] An early specimen was planted at the Royal Botanic Gardens, Kew in 1798; it was uprooted in the Great Storm of 1987 but resettled in the ground and then increased its healthy growth.[5] Its 'Pseudoturneri' cultivar has gained the Royal Horticultural Society's Award of Garden Merit.[6]

It is an intersectional hybrid. Quercus ilex is placed in subgenus Cerris, Quercus sect. Ilex. Quercus robur is placed in subgenus Quercus, Quercus sect. Quercus. [7]

References

  1. ↑ Enum. Pl.: 975 (1809)
  2. ↑ "Quercus × turneri Willd". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 25 September 2020.
  3. ↑ Henry John Elwes, The Trees of Great Britain and Ireland, s.v. "Quercus", p. 1189.
  4. ↑ Turner's will, PRO
  5. ↑ "Kew: Plants: Turner's Oak, Quercus x turneri". Rbgkew.org.uk. 1987-10-16. Archived from the original on 20 August 2008. Retrieved 2012-05-02.
  6. ↑ "Quercus × turneri 'Pseudoturneri'". Retrieved 25 September 2020. Synonyms Quercus × hispanica 'Pseudoturneri' Quercus × pseudoturneri
  7. ↑ Denk, Thomas; Grimm, Guido W.; Manos, Paul S.; Deng, Min & Hipp, Andrew L. (2017-11-02). "Appendix 2.1: An updated infrageneric classification of the oaks" (xls). figshare. Retrieved 2023-02-17.
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