Quercus ghiesbreghtii Martens & Galeotti 1843
Twigs moderate (3 mm.), little fluted, at first densely dingy-tomentose.
Buds rather glossy
brown, glabrate, ovoid, 2-3 x 4 mm. Leaves evergreen, lanceolate, long-acute,
very round
at base, entire, slightly revolute, moderate (3-3.5 x 8-10 cm.), green and somewhat
glossy
on both faces but more or less persistently dingy-tomentose on the principal
veins beneath;
veins about 12 pairs, obscurely looped, the venulation rather sharp above; petiole
at first
tomentose, 2 x 15-20 mm. Catkins: male 40 mm. long, glabrescent, father closely
flowered,
the oblong glabrous anthers little exserted; female about 5 mm. long, usually
2-flowered at top.
Fruit annual, on a tomentose stalk usually 2 x 15-20 mm.; cup turbinate-saucer-shaped,
rather
small (12 mm. in diameter), with thin appressed blunt gray scales, brown at
the margin by
abrasion; acorn short-ovoid, about 12 mm. long, from scurfy becoming somewhat
glossy,
less than half-included.
Eastern Sierra Madre region of Mexico.