Quercus garryana Douglas ex Hook.

Trees or shrubs , deciduous, trees to 15(-20) m, with solitary trunks, shrubs to 0.1-3 m, multitrunked. Bark light gray or almost white, scaly. Twigs brown, red, or yellowish, 2-4 mm diam., densely puberulent with spreading hairs or glabrate. Buds brown or yellowish, ovoid or fusiform and apex acute, 2-12 mm, glandular-puberulent or densely pubescent. Leaves: petiole 4-10 mm. Leaf blade obovate, elliptic or subrotund, moderately to deeply lobed, 25-120(-140) × 15-85 mm, base rounded-attenuate or cuneate, rarely subcordate, often unequal, margins with sinuses usually reaching more than 1/2 distance to midrib, lobes oblong or spatulate, obtuse, rounded or blunt, larger lobes usually with 2-3 sublobes or teeth, veins often ending in retuse teeth, secondary veins yellowish, 4-7 on each side, the more distal veins often branching within distal lobes, apex broadly rounded; surfaces abaxially light green or waxy yellowish, often felty to touch, densely to sparsely covered with semi-erect or erect, simple and (2-)4-8-rayed, fasciculate hairs 0.1-1 mm, secondary veins raised, adaxially bright or dark green, glossy or somewhat scurfy because of sparse stellate hairs. Acorns 1-3, subsessile, rarely on peduncle to 10(-20) mm; cup saucer-shaped, cup-shaped, or hemispheric, 4-10 mm deep × 12-22 mm wide; scales yellowish or reddish brown, often long-acute near rim of cup, moderately or scarcely tuberculate, canescent or tomentulose; nut light brown, oblong to globose, (12-)25-30(-40) × (10-)14-20(-22) mm, apex blunt or rounded, glabrous or often persistently puberulent. Cotyledons distinct. 2 n = 24.

Found in a variety of inland sites, including upland slopes, exposed ridges and open valley bottoms, in mixed evergreen forests, conifer forests, inland in its own open woodland community, or as a large shrub among pines, firs and junipers.

The acorns need to be leached to remove the tannin then roasted and ground to flour for use in cakes, breads and muffins. It is also used as a thickener for sauces and soups.

Can be grown by seedlings.