Quercus vallicola Trel. 1924

Twigs slender (2 mm.), little fluted, tomentose. Buds rounded, with rather
deciduous stipules. Leaves deciduous, on the same branch ovate or elliptical
or shortly obovate, very obtuse, rounded or slightly cordate at base, quite
entire to undulately low-toothed, small (2-3 x 3-5 cm.), puberulent above,
short-tomentose beneath; veins about 8 pairs, somewhat looped; petiole tomentose,
1-2 x 5 mm. Catkins?. Fruit annual, nearly sessile; cup (immature) rounded, small,
with somewhat thickened rather blunt tomentose scales; acorn?.
Cordillera of Mexico.