| Quercus x turneri | |
| Author | Willd. 1809 Enum. Pl. 975 |
| Synonyms | ilex
x robur = austriaca var. sempervirens hort. = sempervirens hort. = glandulifera Mast. not Bl. |
| Local names | "Turner's oak" |
| Range | |
| Growth habit | 15 m ; spreading crown, branched from low on the trunk; |
| Leaves | 4-11cm long, semi-evergreen, weakly toothed near apex, shallowly lobed, leathery, dark lustrous green above, base cuneate; petiole 0.4 to 0.8cm long; |
| Flowers | |
| Fruits | acorns 2cm long, several on a tomentose stalk to 7cm; |
|
Bark, twigs and |
bark purplish grey, smooth, becoming shallowly ridged; |
| Hardiness zone, habitat | |
| Miscellaneous | -- Garden
origin, born during the 18th centuty in Essex (Turner's nurseries);
propagation only by grafting; t he cultivar 'Pseudo-turneri '(also known
under other names : Q.austriaca sempervirens, Q.pseudo-turneri
Schneid. and Q.aizoon Koehne) is the most often cultivated, with
leaves a little larger than the type; -- For A.Camus, one can separate 2 species depending on whether ilex dominates robur or vice versa : 1/ ilex > robur = x turneri Willd. 1899 2/ ilex < robur = x pseudoturneri C.K.Schneider 1904 = turneri var. pseudoturneri Elwes and Henry 1910 = x aizoon Koehne 1904 -- For Govaerts & Frodin (1998) it is quite different : they distinguish : 1/ Q.x turneri Willd. = Q.'Turneri' (the species described above) 2/ Q.x turneri A.DC = Q.x hispanica Lam.(= Q. x crenata Lam. ) = Q.x turneri var. pseudoturneri (C.K.Schneid.) Elwes and Henry = Q.cerris X Q.suber |
| Subspecies and varieties |
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| Pictures |
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