Trees , deciduous, to 30 m. Bark dark gray or brown, hard, with deep V-shaped furrows. Twigs light brown, 2-3(-4) mm diam., glabrous. Buds light brown, ovoid, (3-)4-6 mm, occasionally apex acute, glabrous. Leaves: petiole (3-)10-30 mm. Leaf blade obovate to narrowly elliptic or narrowly obovate, (100-)120-200(-220) × 60-100(-120) mm, base subacute or rounded-acuminate, often unequal, margins regularly toothed, teeth rounded or rarely somewhat acute, secondary veins ± parallel, straight or moderately curved, 10-14(-16) on each side, apex broadly acuminate; surfaces abaxially light green, appearing glabrous but with scattered minute, asymmetric, appressed-stellate hairs and usually visible, larger, simple or fascicled erect hairs along veins, adaxially dark green, glossy, glabrous or with minute, scattered, simple hairs. Acorns 1-3, subsessile or on peduncle 8-20(-25) mm; cup shallowly cup-shaped to hemispheric or deeply goblet-shaped, rim thin, often flared and undulate, helmetlike, 9-15 mm deep × 18-25 mm wide, scales often in concentric or transverse rows, laterally connate, gray, broadly ovate, tips reddish, glabrous; nut light brown, ovoid-ellipsoid, 15-30 × 10-20(-25) mm, glabrous. Cotyledons distinct. 2 n = 24.
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A tree. The bark is dark and firm. The leaves have rounded teeth. The terminal buds are large. The rim of the cup does not have a fringe.
Mixed hardwood/conifer forest communities, often on rocky slopes, and forming a full or only partial canopy; at elevations up to 1,400 metres. Rocky upland forest, dry ridges, mixed deciduous forests on shallow soils; at elevations up to 1,400m
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It is a temperate plant. It grows on sandy soils.
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