white ash Oleaceae Fraxinus americana L. Listen to the Latin symbol: FRAM2 Other Fact Sheets
Leaf: Opposite, pinnately compound with 7 serrate to entire leaflets that are ovate to somewhat lanceolate, 8 to 12 inches long, essentially hairless, green above and slightly paler below.
Flower: Species is dioecious; light green to purplish, both sexes lacking petals, females occuring in loose panicles, males in tighter clusters, appear after the leaves unfold.
Fruit: A one-winged, dry, flattened samara with a full, rounded, seed cavity, maturing in fall and dispersing over winter.
Twig: Stout, gray-olive-green, hairless, leaf scars round at the bottom, notched at the top, with lateral buds in the notch; terminal bud is large, brown, with leathery scales and flanked by two lateral buds.
Bark: Ashy gray to brown in color, with interlacing corky ridges forming obvious diamonds; older trees may be scaly.
Form: A large tree up to 80 feet tall that typically develops a straight, clear bole (particularly on good sites), usually with a narrow oblong crown.

Looks like: green ash - green ash - blue ash - boxelder
leaf flower fruit twig bark form map
Additional Range Information:
Fraxinus americana is native to North America. Range may be expanded by planting. See states reporting white ash.
More: Fall Color Wood
External Links:
USDAFS Silvics of North America
USDAFS Additional Silvics
Landowner Factsheet
USDA Plants Database
Horticulture
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and Environmental Conservation,
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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