This is from a tree growing in central WA state, but since it's in a yard, it could be from anywhere. The small seeds look very much like acorns, so it appears to be an oak of some kind. But what kind?

The leaves are about 4.5 - 5 inches long, at the longest, and the acorns are tiny. The tree was tall, at least 50 ft, and the owners said it grew very fast: they pointed out a branch that was several feet long and said that was all from this year. They'd like to know what kind of tree it is.

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  • This looks like a Live Oak or a Mexican White Oak. Hummm....out of it's normal habitat being in Washington.
    – stormy
    Jun 25, 2016 at 23:03
  • @stormy When a tree is planted in a yard, out of normal habitat is the norm. That gives me some clues at least. Jun 27, 2016 at 15:17
  • 1
    Oh I'll be watching for the answers...there are some freakin' genius plant people on this site...
    – stormy
    Jun 27, 2016 at 21:41

1 Answer 1


Japanese Evergreen oak, or Japanese Red Oak (Quercus acuta)

Informative link (including the potential distribution map #2 shown below): Fact Sheet from US Forest Service

Another informative link: Oaks of the World

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See the distribution maps online:

ACTUAL DISTRIBUTION: enter image description here

POTENTIAL DISTRIBUTION: enter image description here

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