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.
© Pat Breen, OSU
© Sacramento Tree Foundation