Quercus centralis Trel. 1924

Twigs rather slender (2-3 mm.), scarcely fluted, from yellow- or gray-pilose
glabrescent and reddish with pale lenticels. Buds ?. Leaves deciduous,
acutely oblanceolate to obtusely obovate, rounded at base or subcordate,
crenate to coarsely serrate with callous-tipped teeth, moderate (3-4 x 6-8 cm.
or more), glabrous and rather glossy above, more or less scurfy-tomentose
beneath; veins about 10 pairs, scarcely looped; petiole tomentose, about 1 x 5 mm.
Catkins: male 50-70 mm. long, laxly flowered, loosely hairy, the rounded mostly
hairy anthers somewhat exserted. Fruit annual, usually several at end of a
glabrescent peduncle 2 x 10-80 mm.; cup flaring saucer-shaped, rather large
(15-20 mm. in diameter), with thin somewhat loose acute puberulent scales;
acorn ovoid, nearly half-included. Cordilleran region of Mexico.—A tree 5-6 m. high.