Quercus Foumieri Trel. 1924

Twigs moderate (3 mm.), fluted, from rusty-tomentose persistently dingy-canescent.
Buds brown, rather persistently hairy, ovoid, 2x3 mm. Leaves deciduous, elliptical to
sub-ovate, mucronately acute, obliquely truncate at base or cordate, entire, somewhat
crisped and revolute, small (2-3 x 5-6 cm.), glossy above and glabrous except for the
puberulent midrib, detachably rather long rusty-tomentose beneath, the denuded surface
granular-bullate; veins about 12 pairs, with several evanescent intermediates, forking and
somewhat obscurely looped; petiole tomentose, 2 x 5 mm. Catkins?. Fruit biennial, solitary
or paired on a tomentose peduncle scarcely 10 mm. long; cup half-round, moderate
(15 mm. in diameter), with thin somewhat loose blunt canescent scales; acorn ovoid,
nearly included.
Eastern Sierra Madre region of Mexico.