11/26/2023 0 Comments Identifying trees by their leaves![]() ![]() Coast live oak ( Quercus agrifolia): found along the coast. ![]() Nut usually at least 1 inch (2.5 cm) long, cup varies but scales at margin are usually loose and may be warty X Trustworthy Source University of California Division of Agriculture and Natural Resources Extension program of the University of California system devoted to educating and improving local communities Go to source California black oak ( Quercus kelloggii): found throughout the state.Here are some of the most common in various parts of California: X Research source California is dominated by oaks of many species, and naturally occurring hybrids. Shumard oak ( Quercus shumardii): Similar to Northern red oak, but scales often have pale margins some have a deeper, bowl-shaped cup, but not all.Northern red oak ( Quercus rubra): cup scales are reddish-brown, hairy, often with dark margins inside of cup is smooth or has ring of hair around the scar nut may have grey stripes.Willow oak (Quercus phellos): shallow, flattened cup with hairs inside and out nut is less than ½" (13 mm) long.Scarlet oak ( Quercus coccinea): glossy, dark reddish-brown cup nut has a blunt tip.Chinkapin oak ( Quercus muehlenbergii): thin cup with fine grey hairs and moderately warty scales cup covers ¼ to ½ of nut.White oak ( Quercus alba): short, light grey cup with warty scales cup covers about ¼ of nut.Here are the most common species that fit this description in this region, and their identifying characteristics: X Research source Their nuts are light brown or dark brown in color, with few to no red tones. These acorns have the classic oblong or ovoid acorn shape. Registered Professional Biologist Expert Interview. ![]()
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