Oaks of the World

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  Quercus zempoaltepecana

Trel. 1924 Mem. Natl. Acad. Sci. 20: 164

Diagnosis here

Local names
Range Mexico (Oaxaca) ; 2600-3300 m., on the northwestern slope of Zempoaltepec Mount;
Growth habit more than 3 metres tall;
Leaves 5-6 cm long, 2-3 cm wide; deciduous; lanceolate or oval-elliptic; base rounded more or less oblique; margin entire, revolute, with teeth often recurvate; glabrous above; paler beneath, dull, with sometimes axil tufts; 6-8 vein pairs; tertiary veins slightly raised both sides; petiole 1 cm, hairless, winged;
Fruits acorn ovoid, attenuate and mucronate at apex, solitary on 0.5-1 cm long peduncle; cup enclosing 1/2 nut, wiht appressed, obtuse, brown tomentose scales; maturing first year;

Bark, twigs and

young twig 2-3 mm thick, soon glabrous, dark red, with small pales lenticels; bud ovoid 3-4 mm long, glabrous, brown, dull;
Hardiness zone, habitat
Miscellaneous -- A.Camus : tome 3, p. 203, n° 363 (with Q. orizabae);
-- Sub-genus Quercus, section Lobatae, Series Erythromexicanae;
-- For Susana Valencia-Avalos, 2004, and for Govaerts, 2007, it is the synonym of Q.ocoteifolia, but for Zavala-Chavez, 2003, it is only a variety.

Subspecies and