|Author||Weath. 1910 Proc. Amer. Acad. Arts 45: 423|
|Local names||Loquat leaf oak|
|Range||Mexico (Nuevo Leon, Tamaulipas,
San Luis Potosi, Hidalgo, Queretaro, Veracruz);
|Growth habit||tall tree reaching 25 m;|
|Leaves||8-18 cm x 3-7; thick, leathery, very rough; elliptic to lanceolate, seldom oboval; apex pointed, bristle-tipped, often shortly acuminate; base subcordate; margin thickened, révolute, cartilaginous, flat or crispate, entire or with 2-4 pairs of bristle-tipped teeth in the apical half, sometimes on one side only; dark green above, lustrous, hairless except some stellate and glandular trichomes on veins; paler, hairless beneath, except some axillary tufts and some scattered stipitate fasciclehairs; 10-17 pairs of secondary veins raised beneath, impressed above; tertiary veins conspicuous on both sides, essentially beneath; epidermis papillose; short petiole (0.3-0.6 cm), glabrescent;|
|Flowers||female catkins 1 cm long with 1-4 pubescent flowers, or more;|
acorn ovoid, pointed, 1.5-2 cm long; singly or paired, or more on a stout, short peduncle 2 mm long; cup enclosing 1/3 to 1/2 of the nut; maturing in 2 years in July-August.
Bark, twigs and
|dark grey bark, deeply furrowed; twig 2-5 mm thick, sulcate, glabrescent, with small light lenticels; bud 6 mm long, with pubescent, deciduous stipules;|
|Hardiness zone, habitat||hardy (withstands - 17°C); fast growing; prefers lime-free soils and full sun;|
A. Camus : n° 318;|
-- Sub-genus Quercus, section Lobatae; sub-section Rysophyllae;
-- Also written "rhysophylla";
-- For Susana Valencia-Avalos, 2004, Q.sierramadrensis is a synonym of Q.saltillensis; but for Govaerts, 2007, it is the synonym of Q. xalapensis...