Oaks of the World

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 Quercus sebifera
AuthorTrel. 1924
Synonymsschenckiana Trel. 1924
ceripes Trel. 1924   (A. Camus : 179)
chuhuichupensis C.H.Muller 1938
sebifera f. comitanensis Trel. 1924
Local names 
Range Mexico (Chiapas, Hidalgo, Nuevo Leon, Oaxaca, Puebla, San Luis Potosi, Tamaulipas) ; 1600 m.-2500m ;
Growth habit tree to 5 m, often bushy, rhizomatous shrub less than 3 m tall;
Leaves 2-5 x 1-2.5 cm; deciduous; elliptic or ovate; apex acute or obtuse, mucronate; base rounded to cordate; margin flat or slightly revolute, entire or dentate-crenate (1-5 pairs of short mucronate teeth); adaxially grey-green, lustrous, glabrous except some hairs at base of midrib; abaxially paler, nearly glabrous, with some stalkless, stellate hairs along midrib; 4-10 vein pairs; epidermis papillose; petiole 2-8 mm long, hairless, reddish with dark base;
Flowers March to May; male catkins 1.5-3.5 cm long, with numerous flowers; female 1.5 cm long, with 2 pubescent flowers;
Fruits acorn ovoid 1-1.5 cm long; singly or paired on a 1-5 cm long peduncle; small cup 1-1.2 cm in diameter, with greyish appressed scales, enclosing 1/2 of nut; maturing in 1 year from September to November;

Bark, twigs and

bark grey; twigs reddish, bloomy, 1-3.5 mm thick, with sessile, stellate trichomes and glandular hairs, glabrescent; bud subglobose 1-3 mm wide, reddish; stipules short, pubescent, deciduous;
Hardiness zone, habitatnot hardy;
Miscellaneous-- A. Camus : n° 17;
-- Section Quercus;
-- For Zavala-Chavez, 2003, it is a variety of Q.pringlei.
-- For Susana Valencia-Avalos, 2004, Q.chuichupensis (sometimes written chuhuichupensis) is synonym of Q.toumeyi.
Subspecies and