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Alphabetical List of Tree Common Names Alphabetical List of Tree Scientific Names Identification Key Mystery Tree

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Mystery Tree #6

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  • Leaves: Pinnately lobed, about 5" long; 7-9 rounded lobes on each leaf, but quite variable; dark green above.
  • Fruit: Looks like an acorn with a hat-like cap (shallow); about the size of the tip of your thumb.
  • Twigs: Thick, with several buds at the tip.
  • Distribution: Throughout the valley bottoms and foothills of western Oregon and Washington, and south into northern California (to San Francisco).


To identify this tree, work your way through the Dichotomous Key.



If you already know the identity of the Mystery Tree, go to the solution page.

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