Quercus peduncularis Née

Mexico (Chiapas, Colima, Guerrero, Jalisco, Mexico, Michoacan, Oaxaca, Puebla, Veracruz); 900 - 2600 m;

2 to 4 m tall; trunk to 30 cm in diameter; widespreading;

5-10 x 2-5 cm; deciduous; thick, leathery; elliptic, oblanceolate or obovate; apex obtuse or acute; base obtuse to subcordate; margin thickened, revolute, cartilaginous, sinuate-dentate in the distal half (7-10 mucronate teeth on each side); dark green, shiny, hairless above except stellaire hairs near base, with impressed veins; whitish, woolly beneath with stellate, stalked, tangled long hairs, with prominent veins; 9-14 rather straight vein pairs; epidermis glaucous, papillose; petiole slender, 3-5 mm long, somewhat pubescent, dark reddish brown;

from March to May; staminate catkins 5-9 cm long, with numerous flowers; pistillate flowers 2-5, clustered at the tip of a yellow hairy peduncle;

acorn 1 cm long, 1.2 cm in diameter; light brown; mucronate; singly or more often 2 to 5 on a 3-4 cm long peduncle; enclosed 1/3 to 2/3 by cup; cup scaly 1.2-1.3 cm in diameter; maturing in 1 year from July to September;

– A. Camus : n° 224; – Sub-genus Quercus, Section Quercus, Subsection Leucomexicanae, Group Reticulatae; – For Tracey Parker (Trees of Guatemala, 2008), Q. pilicaulis is a true species.