Quercus aequivenulosaTrel. 1924

Twigs rather slender (2-3 mm.), more or less fluted, glabrous, dull dark red,
becoming grayish with numerous small rather prominent pale lenticels. Buds
rather glossy brown, glabrescent, ovoid, 2 x 3-4 mm. Leaves deciduous,
elliptical or slightly widened upwards, very obtuse, rounded or somewhat
truncate at base, entire or low-undulate, moderate (3-4 x 6-10 cm.), dull, minutely
but sharply venulose, blue-green and glabrous above, browning and with axillary
tufts beneath; veins about 8 pairs, looped; petiole glabrous, 10-15 mm. long.
Catkins?. Fruit biennial, very short-stalked; cup deeply saucer-shaped, rather small
(10 mm. in diameter), with thin appressed blunt gray- or brownish-puberulent scales;
acorn canescent, ovoid, 10 mm. long, the lower third or less included.
Western Sierra Madre region of Mexico.