Trel. 1924 Mem. Natl. Acad. Sci. 20: 59
|Synonyms||comasaguana Trel. 1922 Diagnosis here
siltepecana Matuda 1955
America (El Salvador; Guatemala; Mexico);
|Growth habit||tall tree;|
|Leaves||7-10 (-15) x 2-3.5 (-6) cm; evergreen; moderately thick and hard; oblong to lanceolate or oblanceolate; apex acute, sometimes more or less rounded; base round or cuneate; margin flat or weakly revolute, entire or coarsely dentate in the apical half; adaxially dull, with sparse glandular hairs becoming glabrous except along midrib near base; abaxially waxy-glaucous, with a rather persistent tawny tomentum; 12-20 pairs of irregular secondary veins, forked and anastomosing alond margin, somewhat impressed above, very prominent beneath; petiole 5 mm long, with persistent stellate pubescence or glabrescent;|
|Flowers||male catkins 3-4 cm long, with puberulent rachis low-flowered; pistillate inflorescences 1.5-2 cm long, glandular pubescent, with 2-3 flowers;|
Bark, twigs and
|twigs about 2 mm. thick, obscurely fluted, from dark brown becoming gray, puberulent at first then glabrous, with prominent lenticels; bud hairless, brown, subglobose; stipules deciduous, thin, pubescent, 6 mm long;|
|Hardiness zone, habitat|
Sub-genus Quercus, Section Quercus, Series Leucomexicanae;
-- Threatened (IUCN Red List Category : VU).
--Warning : Q.comayaguana Trel. = Q.elliptica !