|Author||Trel. 1924 Mem. Nat. Acadd.
Sci. 20: 44
|Synonyms||insignis subsp and var. pilarius
yousei Trel. 1924
|Range||Mexico (Chiapas); Guatemala; Honduras; Costa-Rica;|
|Growth habit||4 25 m;|
|Leaves||6-15(-24) cm x 2.5-4(-7); evergreen; moderately thick and hard; lanceolate to oblanceolate; apex acute; base cuneate to slightly cordate; margin flat or slightly revolute, coarsely crenate-serrate in the apical half, with mucronate teeth; shining and glabrous both sides, with occasional small pubescence on the midrib; 12-15 vein pairs, irregular, with sometimes some intermediates; veins remotely raised above, prominent beneath; petiole short (1-3 mm), thickened at base, glabrate;|
Bark, twigs and
|twig slender, fluted, sparingly pilose and brown, quick glabrescent, with some raised lenticels; bud subglobose, 3 mm long, with ciliate scales; stipules more or less deciduous, 5-7 mm long, spatulate-ligulate, glabrous or with appressed hairs;|
|Hardiness zone, habitat|
|Miscellaneous||-- Sub-genus Quercus,
Section Quercus, Series Leucomexicanae;
-- Closely related to Q. oocarpa, but differs in having slender, glabrate twigs, and mature leaves hard and hairless or nearly so;
-- Often considered as a synonym of Q. lancifolia.