Oaks of the World

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 Quercus corrugata
AuthorHooker 1842
Synonymscyclobalanoides Trel. 1915
pilgeriana Seemen 1904
reevesii Trel. 1924
Local namesencino blanco;
RangeMexico (Chiapas, Guerrero, Hidalgo, Oaxaca, Puebla, Veracruz); Belize Costa Rica; El Salvador; Guatemala; 850-2300 m;
Growth habitmay reach more than 50 m tall; trunk to 2.5 m in diameter;
Leaves 5-20 cm x 2-7; deciduous; thick, leathery; lanceolate to oblanceolate, or elliptic to obovate; apex acuminate; base cuneate or attenuate, sometimes rounded, asymmetrical; margin slightly or not revolute, sometimes wavy, entire or more often with 8-11 pairs of mucronate teeth except near base; hairless, shiny above; almost identical beneath, sometimes with scattered stellate pubescence; 10-18 vein pairs raised under; petiole becoming glabrous, 1.5-4 cm long;
Flowersstaminate catkins 5-6 cm long; pistillate ones 0.5 cm long, 1-2 flowered;
Fruitsacorn subglobose or broadly ellipsoid, 3-5 cm in diameter, tomentose at apex, subsessile, solitary; cup halfround, 3-5 cm wide, with appressed, tomentose scales, enclosing 1/3 of nut; maturing first year;

Bark, twigs and
buds

bark peeling into vertical plates, becoming rough and furrowed; twig to 5 mm thick, sometimes sulcate, glabrescent, with pale lenticels; bud rounded, hairless, 3-4 mm long;
Hardiness zone, habitatnot hardy zone 7;
Miscellaneous-- Section Quercus;
-- For Govaerts & Frodin 2007, and for Tracey Parker (Trees of Guatemala, 2008), it is a synonym of Q.lancifolia.
Subspecies and
varieties

-- Several varieties have been described :
- var. granulifera Trel.
- var. ipalensis Trel.
- var. microcarpa Wenz.

-- Q. reevesii Trel. 1924
For A. Camus (n° 287) it is a species closely related to Q. galeottii, but different, with identical but narrower leaves and bigger acorn; Central America, Guatemala;
For Govaerts 2007, it is a synonym of Q. corrugata, itself synonym of Q. lancifolia;

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