Oaks of the World

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  Quercus x leana
Author Nutt. 1819 N. Amer. Sylv. 1: 25
Synonyms imbricaria x velutina (for Engelmann it is imbricaria x coccinea)
Local names Lea's hybrid oak;
Range East of North America;
Growth habit 20 m tall; rounded crown;
Leaves 10-18cm long, oblong to oboval; thick and rather leathery; almost entire or with a weakly lobed, sinuate margin; sometimes 1-4 pointed lobes, bristle-tipped; apex sometimes trilobed; base rounded, often asymmetrical; lustrous dark green above, dull beneath with rusty hairs along midrib; petiole 1.5-2 cm;
Fruits acorn 2 cm long, singly or paired; deep cup enclosing 1/2 acorn;

Bark, twigs and

bark shallowy ridged; young twigs reddish, with stellate hairs;
Hardiness zone, habitat hardy; requires lime-free soils; fast-growing;
Miscellaneous -- Native where parents are meeting;
-- The species is probably fixed, as it gives spontaneous seedlings in France;
-- Named after T.G.Lee who discovered it in 1830;
Subspecies and