Large tree, deciduous with alternate, flat, lobed leaves with small spines at lobe apex. Abaxially golden-puberelent with not impressed veins. Only staminate flowers apparent on this individual. Inforesence a pendant catkin, sepals enclose many stamen. Light colored bark. Acorn woolly inside and acron cup scaly. Living with other oaks near transition to Sequoia sempervirens dominated habitat.