Quercus copeyensis C.H.Mull.

Costa-Rica; Honduras; Panama; 2000-3000 m;

reaches more than 30 m tall; trunk to 2 m in diameter, and more;

5-12 cm x 2-5; evergreen; very polymorphic; thick, leathery; oval to broadly elliptic; apex acute, seldom obtuse; base attenuate to cuneate, or on the contrary rounded to heart-shaped; margin slightly revolute, entire or nearly so, with sometimes some small shallow teeth at apical 1/2; shiny green, hairless above except some scattered hairs along midrib ; paler beneath, dull, hairless except sometimes a stellate tomentum at base of midrib; red when young; 5-10 vein pairs slightly impressed above; petiole hairless 0.5 cm long, dark reddish-brown;

acorn almost globose, 3-4 cm long and 3 cm wide; peduncle 2 cm long; cup shallow or bowl-shaped, enclosing less than 1/2 of nut, with appressed scales, hairless except their pubescent rim; maturing in 1 year;

– Sub-genus Quercus, Section Quercus, Series Leucomexicanae; – Species very polymorphous in leaf-form, leaf-texture, leaf pubescence and venation; these characters are often uniform on an individual tree, or sometimes vary on the same branch; – Close to Q.costaricensis , from which it differs in having leaf apex obtuse or pointed (always rounded in costaricensis ) and abaxial leaf surface glabrous or nearly so (persistent axil tufts in costaricensis ), but Q. costaricensis is in the Lobatae section.