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.