Oregon State University
Alphabetical List of Tree Common Names Alphabetical List of Tree Scientific Names Identification Key Mystery Tree

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tanoak (Lithocarpus densiflorus)

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  • Size: Grows to 100' tall and 3' in diameter, but may also be shrubby.

  • Leaves: Simple, alternate, evergreen. Thick and leathery; 3"-5" long; bluish white fuzz underneath; margins smooth or toothed.

  • Fruit: Acorns with spiked caps.

  • Twigs: Stout; buds clustered at tips; star-shaped pith.

  • Bark: Thin with flattened ridges or plates.

  • Distribution: It grows only in southwestern Oregon and California, from sea level to about 5000'.

For more information about this species see "Trees to Know in Oregon".


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