Quercus monterreyensis Trel.

Mexico (Nuevo Leon); to 1300 m;

small shrub;

8-9 x 4 cm; deciduous; oval-elliptic; apex pointed; base subcordate or truncate; greyish or olive green above; olive greenish, hairy beneath; margin entire or remotely crenate near apex; 10 pairs of lateral veins; petiole orangish 5-10 mm long;

female catkin short, multi-flowered;

acorn ovoid, enclosed 1/2 by cup; cup scaly, deep, tomentose, 1.5 cm in diameter;

not hardy;

– A. Camus : n° 209; – Sub-genus Quercus, Section Quercus, Series Leucomexicanae, Group Aurantiacae; – Not well known; the name comes from Monterrey, city of Mexico (not from Monterey in California); – For Govaerts, 2007, it is a synonym of Q. tuberculata