Quercus × leana Nutt.

East of North America;

20 m tall; rounded crown;

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;

acorn 2 cm long, singly or paired; deep cup enclosing 1/2 acorn;

hardy; requires lime-free soils; fast-growing;

– Section Lobatae; – 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;