Trees , deciduous, to 25(-35) m, usually with solitary trunks. Bark gray, scaly, deeply checkered in age. Twigs yellowish, gray, occasionally reddish, 2-4 mm diam., densely or sparsely tomentulose. Buds yellowish or light brown, ovoid, (2-)3-5(-6) mm, apex occasionally acute, densely pubescent. Leaves: petiole 5-12 mm. Leaf blade broadly obovate or elliptic, moderately to deeply lobed, (40-)50-100(-120) × 30-60(-75) mm, base rounded-attenuate, cuneate, or truncate, rarely subcordate, margins with sinuses usually reaching more than 1/2 distance to midrib, lobes oblong or spatulate, obtuse, rounded, or blunt, secondary veins 5-10 on each side, apex broadly rounded; surfaces abaxially whitish or light green, densely to sparsely covered with interlocking appressed or semi-erect, 8-10(-14)-rayed stellate hairs, adaxially dark green or grayish, glossy or somewhat scurfy because of sparse stellate hairs. Acorns solitary or paired, subsessile; cup deeply cup-shaped, hemispheric or turbinate, rim thick, 10-30 mm deep × 14-30 mm wide, scales grayish or cream, more acute near rim, strongly and irregularly tuberculate, especially toward base of cup; nut light brown, oblong or fusiform, 30-60 × (12-)15-25 mm, tapering to acute or rounded apex. Cotyledons distinct.
Name | Language | Country | |
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Valley oak |
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