Quercus trinitatisTrel. 1924

Twigs rather slender. (2-3 mm.), somewhat fluted, glabrous, glossy red with small
pale lenticels. Buds rather glossy brown, glabrous, ovoid, 2 x 3 mm. Leaves deciduous?,
lanceolate, long-acute or acuminate, acute at base, entire, somewhat crisped, rather large
(3-6 x 9-14 cm.), essentially glabrous, green and glossy on both faces; veins about
10-12 pairs, looped; petiole glabrous, 1 x 10-20 mm. Catkins: female scarcely 10 mm. long,
about 2-flowered at the end. Fruit biennial, on a peduncle some 4 x 10 mm.; cup
deep-saucer-shaped, moderate (15 mm. in diameter), with thin appressed blunt gray
scales; acorn ovoid, somewhat hoary, about one-third included.
Mexican table-land.