Oaks of the World

5-10 (-20) x 2-6 cm; deciduous; thickly leathery; broadly lanceolate to oblanceolate or elliptic-ovate (no more than 4 times longer than wide); apex pointed to acuminate, bristle-tipped; base rounded or subcordate or attenuate; margin mostly entire, thickenned, revolute; dark olive green, glabrous, slightly lustrous above; almost hairless beneath with golden glandular hairs, sometimes axil tufts of stellate, tangled trichomes ; young leaves pinkish, pubescent adaxially and much more abaxially, with stellate and amber glandular trichomes; 7-10 veins pairs, straight or slightly curved, flat or impressed adaxially, raised beneath; midrib raised abaxially; epidermis papillose ; petiole glabrescent 0.8-1.5 cm;

acorn ovoid 1-1,9 cm, glabrescent, with thin pericarp; singly or to 4 on a stout peduncle 2-20 mm long; cup half-round, with rim mostly rolled under, with pubescent, flat scales, covering 1/3 or 1/2 of nut; maturing in 2 years (from June to February);