Canyon live oak aka golden cup oak
A very large, evergreen shrub or small tree up to 30-50’ tall x 30’ wide, with dense, glossy dark green, leathery leaves, often with spines on the edges, that are a dull golden down on the underside often becoming gray and nearly smooth the second year. Catkin-like flowers followed by large acorns topped with a fuzzy golden cap.
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Quercus chrysolepsis – Calscape