Quercus subspathulata Trel.

Mexico (Chihuahua, Sonora, Michoacan, Jalisco) ; 900-1600 m ;

4-8 m tall; trunk 15-45 cm in diameter;

8-11 x 3-5.5 cm; deciduous, oboval to elliptic, convex, spatulate; leathery; apex obtuse to rounded, sometimes retuse; base narrowly rounded to heart-shaped, sometimes auricled; margin thick, slightly revolute, wavy, toothed (3-8 pairs of obtuse teeth with short mucro); mature leaves are both sides nearly glabrous; lustrous pale green above, with few stellate trichomes near base and on midrib; waxy-glaucous beneath with at first abundant glandular hairs and some shortly stipitate stellate trichomes along large veins, then glabrous; 8-14 vein pairs, straight, remotely impressed adaxially, prominent beneath; papillar epidermis; stout, pinkish, glabrescent petiole 3-7 mm long;

acorn 0.8-1,5 cm; singly or to 3 together on a peduncle less than 1.5 cm long; enclosed 1/3 or more by tomentose cup; maturing in 1 year;

not hardy (zone 8-9); all types of soils;

– Sub-genus Quercus, Section Quercus, Series Leucomexicanae; – A.Camus : n° 198; – Differs from Q. laeta and Q. obtusat a which have pubescent mature leaves underneath and ovoid buds ;