Quercus innuncupata Trel. 1924

Twigs moderate (3-4 mm.), little fluted, glabrescent, light brown with rather
prominent concolorous lenticels. Buds brown, glabrescent and glossy or with
ciliate scales, ovoid, 3 x 5 mm. Leaves deciduous, broadly elliptical to variously
obovate or oblong-obovate, very obtuse, cordate, entire or undulate or deeply
repand, large (becoming 10-12 x 18 cm.), glabrate and rather glossy above, from
stellate-woolly glabrescent with granular-bullate surface beneath; veins about 12 pairs,
somewhat looping; petiole glabrescent, scarcely 10 mm. long. Flowers?. Fruit annual,
crowded toward the end of a scurfy or glabrescent peduncle as much as 3 x50-70 mm.;
cup nearly half-round, rather large (20 mm. in diameter), with more or less keeled or
thick-based appressed dingy brownish scales; acorn (representative?) subglobose,
about 15 mm. in diameter, half-included.
Western Sierra Madre region of Mexico.