Quercus corrugata
Hooker.
Twigs moderate (2-4 mm.), somewhat fluted, glabrate, dull buff with rather prominent
pale lenticels. Buds
somewhat glossy brown, round-ovoid, 3 x 3-4 mm. Leaves deciduous?, subelliptical-lanceolate,
acute or
rather attenuate at apex, rather oblique and more or less rounded at base, subentire
to mostly incurved-serrate,
narrowly revolute, rather large (3-4 or 6 x 10-15 or 18 cm.), glossy and glabrous
on both faces or slightly
puberulent beneath; veins about 10-12 pairs scarcely looped, the reticulation
little elevated; petiole glabrate,
1 x 10-20 or 30 mm. Catkins?. Fruit annual, sessile; cup half-round, very large
(30-50 or 60 mm. in diameter),
with rather thick-based scarcely spreading pointed yellow-tomentose scales;
acorn ovoid, typically corrugated,
especially below, half-included.