Quercus crenatifolia Trel. 1924
Twigs slender (2 mm.), fluted, sparsely scurfy or glabrate,
small brown lenticels. Buds light brown, glabrescent, round-ovoid, 2 mm.
in diameter. Leaves deciduous, obovate-panduriform, obtuse, rounded at base
or slightly cordate, rather deeply crenate, often crisped in the sinuses,
moderate (4-6 x 7-9 cm.), somewhat glossy and sparsely finely scurfy or glabrate
above, paler beneath and glabrescent except for stellate-pubescence in sheltered
places, veins about 8 pairs, more or less branched but at most obscurely looped;
petiole somewhat yellow-stellate, 1 x 5-10 mm. Catkins: female filiform, 50 mm. long,
sparingly stellate, openly few-flowered above, the young scales blunt and thinly
and minutely puberulent. Fruit ?.
Western Sierra Madre region of Mexico.