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coast live oak Fagaceae Quercus agrifolia Née Listen to the Latin Print a QR link to this factsheet symbol: QUAG
Leaf: Alternate, evergreen, simple, elliptical to oblong, 1 to 2 1/2 inches long, thick and leathery, convex with edges turning down, spiny margins (holly-like), shiny green above, duller with fuzz in vein axils below.
Flower: Species is monoecious; males in long (2 to 4 inches) narrow drooping catkins, yellow-green; females inconspicuous reddish green spike in leaf axils.
Fruit: An elongated, narrow, light brown acorn, 1 to 1 1/2 inches long, pointy ends, often distinctly cone-shaped; scaly, gray-brown cap covers 1/4 to 1/3 of acorn, matures in one year in early fall.
Twig: Slender to moderate, initially quite fuzzy but later often completely smooth and gray-brown; end buds clustered, reddish brown, broadest at the base with a rounded tip.
Bark: Smooth, gray-brown when young, with age becomes darker with broad, lighter gray ridges.
Form: An evergreen, large (up to 100 feet tall) tree with a short trunk and numerous large, crooked, spreading branches. Crown spread often exceeds its height.
Looks like: interior live oak - Engelmann oak - scrub oak - canyon live oak

coast live oak leaf image
coast live oak flower image
coast live oak fruit image
coast live oak twig image
coast live oak bark image
coast live oak form image
coast live oak map image

Additional Range Information: Quercus agrifolia is native to North America. Range may be expanded by planting. Download the full-size PDF map.
External Links: USDAFS FEIS Silvics - USDA Plants Database
All material 2025 Virginia Tech Dept. of Forest Resources and Environmental Conservation; Photos and text by: John Seiler, Edward Jensen, Alex Niemiera, and John Peterson; Silvics reprinted from Ag Handbook 654; range map source information