Taxonomy
Clade | angiosperm |
Family | Oleaceae |
Genus | Fraxinus |
Species | americana |
Common Name | white ash |
iTree Code | FRAM2 |
Plant Form
Form | Tree: open rounded crown (pyramidal when young) |
Height | 80 feet |
Spread | 50 feet |
Deciduous | Yes |
Identification Description
Foliage | 5-7 leaflets, oval, dark green with smooth edges |
Leaf Type
|
Compound - Pinnate |
Bark | gray/brown with interlacing ridges |
Bud | large, brown, spherical to broad terminal bud, slightly hairy/downy, rust brown |
Bud Arrangement
|
Opposite |
Twig | gray/green with lateral buds set deep in leaf scar (like a smile) |
Flower | small, green/purple, clusters at branch ends; lacking petals; appearing before leaves; male and female on separate trees (dioecious) |
Fruit | canoe paddle shaped samara, seed long and narrow |
Fall Color | purple, yellow, orange |
Site Characteristics
USDA Zones
|
pH Levels | Salt Tolerance |
Min | 3b |
Min | 4.6 |
Soil | Moderate |
Max | 9a |
Max | 7.5 |
Spray | Moderate |
Shade Tolerance | Drought Tolerance | Allelopathy |
Intolerant |
Intolerant |
No |
Species Status
Nebraska Native |
|
U.S. Native |
|
Region of Origin | United States, Canada |
More Information | Visit External Site |