Oregon State University
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Oregon ash (Fraxinus latifolia)

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  • Size: Grows to 80' tall and 3' in diameter.

  • Leaves: Pinnately compound (5-9 per leaf), opposite, deciduous. Leaflets are roughly elliptical with smooth or very slightly serrated margins.

  • Fruit: Single samaras that may hang in clusters. Shaped like a canoe.

  • Twigs: Opposite twigs and buds. Stout.

  • Bark: Up to 2" thick; grayish-brown; flattened ridges.

  • Distribution: Found along the western coasts of Oregon and California and up through Washington along streams, sloughs, and in rich lowlands.

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

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