Quercus epileuca Trel. 1924

Twigs moderate (3-4 mm.), fluted, from dingy-scurfy glabrescent and dark glossy
red with minute inconspicuous lenticels. Buds glossy red-brown, glabrescent,
ovoid, 2-3 x 3-4 mm. Leaves deciduous, subelliptical, acute or acuminate, rounded
at base, sharply serrate with rather few aristate teeth above the middle, slightly revolute,
rather large (2.5-5 x 7 or 9-12 cm.), glabrous, dull and very lightly white-glaucous above,
becoming glossy olive-green when abraded, finely yellow-tomentose beneath; veins
about 10 pairs, somewhat forking, at most obscurely looped; petiole finely tomentose,
2 x 15-20 mm. Flowers and fruit?.
Western Sierra Madre region of Mexico.