Description
Oregon Ash (Fraxinus latifolia)
Bundle of 10
At a Glance: Oregon Ash prefers moist to wet soils at low elevations, often near streams or in other areas that are occasionally flooded. It is a medium-sized tree, up to 25 m tall, with bark becoming greyish-brown and fissured with age.
Leaves: Opposite, deciduous, pinnately compound with usually 5-7 leaflets, leaflets to 13 cm long, oval, olive-green above, paler and wooly beneath, turning yellow in the fall.
Flowers: Small flowers, male and female on separate trees. Appear before the leaves in bunched clusters on the twigs.
Fruit: Paddle-shaped, 1-seeded, winged fruits that are 3-5 cm long and appear in large clusters on female trees before the leaves in spring. Fruit stalks very fine, almost hair-like.
Growing Conditions:
| Sun/Shade Tolerance | Hydrology | Elevation Range |
| Full sun to part sun
|
Moist to wet
|
Low elevations
|
References:
MacKinnon, A., Pojar, J., & Alaback, P. B. (1994). Plants of the Pacific Northwest coast: Washington, Oregon, British Columbia & Alaska. Richmond, Wash: Lone Pine Publishing.
