Oaks of the World

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  Quercus toxicodendrifolia

Trel. 1924 Mem. Natl. Acad. Sci. 20: 48

Diagnosis here

Local names
Range Mexico (Hidalgo, Puebla, Veracruz, Chiapas); 1580-2210 m;
Growth habit 6-10 (20) m. tall;
Leaves oboval to oblanceolate; both sides dull; the whole margin is crenate to dentate; adaxially slightly rugose to almost smooth; abaxially the epidermis is papillose, whitish or yellowish, with possibly some pointed solitary trichomes along midrib.
Fruits acorns on axillary peduncles; cup conical, with triangular, loose scales having a pointed apex;

Bark, twigs and

shoots reddish, nearly hairless or with sparse stellate trichomes;
Hardiness zone, habitat humid oaks forest, sometimes in mesophyllous forest mountains, and in mixed pines-oaks forests;
Miscellaneous -- Sub-genus Quercus, Section Quercus, Series Leucomexicanae;
-- Had always been considered as a synonym of Q.leiophylla (= Q. lancifolia), but S. Valencia and A. Coombes 2019 place it at the rank of species, as Q. lancifolia differs in having lustrous leaves on both sides, the margin dentate only on the proximal part, and in being taller (20-27 m);

Subspecies and