Native to (or naturalized in) Oregon:
- Small shrub, evergreen, semi-evergreen, to about 6 ft (1.8 m) tall, sometimes nearly reaching 10 ft (3 m), twigs glabrous, forms thickets. Leaves simple, alternate, 8-13 cm long and 4-6 cm wide, obovate or ovate, base rounded or wedge-shaped, apex acute or obtuse, margin toothed (dentate), initially tinted bronze but becoming dark green above, paler below, some 2028 prominent lateral veins; petiole 1.5-2.5 cm. Acorns ovoid, 1.8-1.3 cm.
- Sun or light shade. In its habitat it is found on the edge of forests or a low ground cover under a coniferous forest. Reportedly tolerates heavy winter rains and hot summer temperatures.
- Hardy to USDA Zone 5 Native range from southwestern Oregon to northern California, in the Klamath Mountain Ranges (Siskiyu). Sadler oak thickets provide deer habitat (Deer Oak).
- Dallas, Oregon: Delbert Hunter Arboretum and Botanic Garden.