Quercus sartorii Liebm.

Tree to 20 m. Branchlets greenish brown or black with small brown lenticels; occasional stellate hairs or flaky scales present. Leaves sub-evergreen, 9–13 × 2.5–5 cm, elliptic to lanceolate, upper surface shiny black-green and glabrous, lower surface dull, glabrous or with a few tufts of hair in vein axils and along the midrib, 8–12 secondary veins on each side of the midrib, each terminating in a bristle of up to 0.5 cm, margins entire or with a few shallow teeth, apex acute; petiole 1.5–4 cm long and glabrous. Infructescence 0.5–0.7 cm long with (one to) two to five cupules. Cupule turbinate to hemispherical, 1.5 × 0.5 cm; scales obtuse and appressed with golden pubescence. Acorn round to ovoid, with half of its length enclosed in the cupule, stylopodium short. Fruiting August to September (Mexico). Trelease 1924. Distribution MEXICO: Hidalgo, Puebla, Oaxaca, Tamaulipas, Veracruz. Habitat Between 1300 and 2000 m asl. USDA Hardiness Zone 7. Conservation status Not evaluated. Illustration NT751. Taxonomic note Quercus sartorii Liebm. should not be confused with Q. sartorii Botteri ex A. DC., a synonym of Q. acutifolia.