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Field

Oak Compendium ★

Oaks of the World

The Sibley Guide to Trees

Common Names

Chestnut Oak

mountain chestnut oak, rock chestnut oak

Chestnut Oak, Mountain Chestnut Oak, Rock Chestnut Oak, Rock oak, Tanbark Oak

Geographic Range

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S and E USA; to 1500 m; introduced in Europe (Great-Britain) in 1688;

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Growth Habit

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20-30 m; crown narrow, bole straight;

Deciduous. Large tree often 70’.

Leaves

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10-20 x 5-10 cm; oboval to elliptic; apex acuminate; base cuneate or rounded; 9-14 pairs of triangular lobes, smaller near apex; pale green, with tufts of trichoma adaxially; a little glaucous, with scattered hairs abaxially; dark red at fall; 10-14 vein pairs; petiole thin, yellow, 2-3 cm long;

6”
7-16 pairs of usually rounded teeth
undeleaf pale green, not whitish

Fruits (Acorns)

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acorn 2 cm long, ovoid; dark brown; 1 to 3 together; cup sessile or shortly stalked, with small, grey green scales, enclosing 1/3 of nut;

1 1/8”
fairly deep cup

Flowers

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late spring;

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Bark

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dark deeply ridged bark
rugged blocky ridges and deep furrows

Buds

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Clustered end buds dull orange-brown pointed (more than michauxi)

Hardiness & Habitat

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hardy; withstands poor, dry, rocky soils;

Common in uplands and dry woods, rocky slopes
Uncommon in cultivation
Zones 4-8

Additional Information

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– A. Camus : n° 191, named Q.prinus L.; – Sub-genus Quercus, Section Quercus, Series Albae; – The name Q.prinus has been used for an other species ( Quercus michauxii) , so it is preferable to name this species Q.montana Willdenow , in order to avoid any confusion.

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