Oaks of the World

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  Quercus x kewensis
Author Osborn
Synonyms cerris x wislizeni
Local names
Growth habit 10-12 m; ovoid crown;
Leaves 5-8 cm long, evergreen; oval-oblong; margin with somewhat acute, coarse, triangular teeth; base cordate to truncate; dull green, glabrous above; paler, shiny beneath, with sparse stellate hairs; petiole 1.5-2 cm long;
Fruits acorn 2.5 cm long, ripening second year;

Bark, twigs and

twig thin, ascendant, light brown, stellate pubescent at first, becoming glabrous;
Hardiness zone, habitat
Miscellaneous -- For Govaerts & Frodin, it is a cultivar...
-- Discovered by chance at Kew Gardens in 1914;
Subspecies and