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Article from New Trees by John Grimshaw & Ross Bayton
'Quercus eduardii' from the website Trees and Shrubs Online (treesandshrubsonline.
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Shrub or tree, 5–8 m. Bark black, rough, with square plates. Branchlets reddish brown with white or yellow stellate tomentum; later greyish brown with white lenticels. Leaves deciduous, 1.5–5.2 × 3–6 cm, oblong to elliptic, leathery and stiff, immature leaves dark glossy green above with minute stellate indumentum, pale green with dense stellate indumentum below, mature leaves glossy and almost glabrous above, lower surface with tufts of tomentum in the vein axils and sparse stellate tomentum, five to eight secondary veins on each side of the midrib, margins entire or with short teeth, bristles present on most leaves, apex acute; petiole 0.2–0.4 cm long, reddish and finely tomentose. Infructescence 0.2–0.8 cm long with two to three cupules. Cupule turbinate, 0.7–1 × 0.5 cm; scales rounded, pale brown and somewhat tomentose. Acorn ovoid, with half of its length enclosed in the cupule, 0.6–1.2 cm long, stylopodium prominent. Fruiting September (Mexico). Trelease 1924, Bacon & Spellenberg 1996. Distribution MEXICO: Aguascalientes, Chihuahua, Durango, Guanajuato, Hidalgo, Jalisco, Michoacán, Nayarit, Querétaro, San Luis Potosí, Tamaulipas, Veracruz, Zacatecas. Habitat Pine-oak forest between 1500 and 2650 m asl. USDA Hardiness Zone 7–8. Conservation status Not evaluated.
Quercus eduardii is as yet represented in collections only by very young plants. At the Hillier Gardens there are two saplings from a 2001 gathering in Aguascalientes, Mexico which are surviving and growing surprisingly well, the larger 1.4 m tall in 2006, and 2.9 m in 2008 (A. Coombes, pers. comms. 2006, 2008).