Oaks of the World

General dataClassificationsList of speciesLocal namesBack to
home page

 Quercus leiophylla

A.DC in A.P. de Candolle 1864

Synonyms excelsa Liebm. 1854
lancifolia Liebm. ex A.DC in A.P. de Candolle 1864, not Benth, nec Schlecht.&Cham.
lancifolia f. subintegra Trel. 1924
toxicodendrifolia Trel. 1924
Local names 
Growth habitreaches 30 m, and more; trunk to more than 1 m in diameter;
Leaves 5-18 x 3-7 cm, deciduous; elliptic to lanceolate or oblanceolate (nearly 2.5 times as long as wide); leathery; plane; apex somewhat acuminate, but blunt, mucronate; base narrowed from the middle of the blade, rounded or cordate (seldom acute); young leaves reddish, with dense stellate pubescence underneath; mature leaves adaxially green and glabrous, remotely whitish pubescent along midrib abaxially; margin thick but weakly revolute, somewhat wavy, sometimes entire, often sinuate-dentate or with 8-10 pairs of sharp mucronate teeth (usually margin entire in the basal 1/3); 10-15 vein pairs slightly prominent above, strongly prominent beneath; petiole 5-10 mm long, reddish brown, hairless;
Fruitsacorn ovoid, elongated, 4-5 cm long; enclosed at the base only (sometimes to 1/3) by the cup; cup with appressed scales; maturing first year;

Bark, twigs and

bark pale grey, fissured into thin plates; twig slender, 1.5-3 mm thick, hairless, grey brown, with lenticels in variable numbers; bud small (2-3 mm long), ovoid, pointed, pale brown; stipules 5-10 mm long, persistent around terminal bud;
Hardiness zone, habitat 
Miscellaneous-- Sub-genus Quercus, Section Quercus;
-- Q. lancifolia Benth. (nom. illeg.) = Q. affinis
-- Often considered as synonym of Q. lancifolia Schlecht. & Cham.
-- Closely related to Q. germana
-- For Susana Valencia-A., 2006, Q. toxicodendrifolia is a true species.
-- For Zavala-Chavez, 2003, Q. leiophylla is a variety of Q. galeottii.
Subspecies and