Quercus wislizenii

Interior live oak

Distinguishing feature: Leaf edges are spiny and do not curl under. Long, narrow acorns.

  • Type: Evergreen.
  • Form in maturity: Rounded, irregular.
  • Leaf: Glossy dark green, 1 to 3 inches long, long ovals with pointed tips. Leaf edges are spiny and do not curl under. No hairs on leaf surface.
  • Flower: Sparse, yellow-green tassels, occurring in spring.
  • Bark: Dark brown to black, with flat, wide ridges.
  • Fruit or seed:Elongated brown acorns, 1 to 1-1/2 inches long by 1/2-inch wide. Cap covers a third to half of the nut.
  • Other: Many oak species can cross-pollinate with each other to produce a hybrid with characteristics of both of the parent species. If you have trouble identifying a particular oak tree, try to identify the nearby oak species and consider whether the tree in question may be a hybrid.

Read more about this tree at UFEI's Selectree website

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© Sacramento Tree Foundation