| Quercus corrugata | |
| Author | Hooker 1842 Hooker's Icon. Pl. 5: t.
403 Diagnose here |
| Synonyms | cyclobalanoides Trel. 1915 pilgeriana Seemen 1904 reevesii Trel. 1924 |
| Local names | encino blanco; |
| Range | Mexico (Chiapas, Guerrero, Hidalgo, Oaxaca, Puebla, Veracruz); Belize Costa Rica; El Salvador; Guatemala; 850-2300 m; |
| Growth habit | may reach more than 50 m tall; trunk to 2.5 m in diameter; |
| Leaves | 5-20 cm x 2-7; deciduous; subcoriaceous; elliptic to elliptic-lanceolate; apex acuminate; base cuneate or attenuate, sometimes rounded, asymmetrical; margin slightly or not revolute, sometimes wavy, entire or more often with 8-16 pairs of mucronate teeth except near base; hairless, shiny above; almost identical beneath, sometimes with scattered stellate pubescence; 11-18 vein pairs raised under; petiole becoming glabrous, 1.5-4 cm long; |
| Flowers | staminate catkins 5-6 cm long; pistillate ones 0.5 cm long, 1-2 flowered; |
| Fruits | acorn subglobose or broadly ellipsoid, 2-2.3 cm long, tomentose at apex, subsessile, solitary; cup halfround, 3-5 cm wide, with appressed, tomentose, basally thickened scales, enclosing 1/3 of nut; maturing first year; |
|
Bark, twigs and |
bark peeling into vertical plates, becoming rough and fissured into vertical furrows (hence the name corrugata); twig to 5 mm thick, sometimes sulcate, glabrescent, with pale lenticels; bud rounded, hairless, 3-4 mm long; |
| Hardiness zone, habitat | not hardy zone 7; |
| Miscellaneous | -- Sub-genus Quercus, Section
Quercus, Series Leucomexicanae; -- For Govaerts & Frodin 2007, and for Tracey Parker (Trees of Guatemala, 2008), it is a synonym of Q.lancifolia. -- For S.Valencia, 2017, Q. corrugata is different from Q. lancifolia in having glabrous or glabrate leaves, subcoriaceous blades, the lack of teeth only at base, a greater number of secondary veins, larger fruits, cupules with basally thickened scales. |
| Subspecies and varieties |
-- Several varieties have been described : -- Q. reevesii Trel. 1924 |
| Pictures |
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