Family: Oleaceae, olive family
Genus species: Fraxinus americana
Leaves are pinnately compound. Each leaf has 7 or more leaflets. All leaflets within one leaf are usually about the same size.
Bark is furrowed with diamond-shaped grooves. Bark is gray or yellowish in color.
Flowers are very small, produced in small clusters. Flowers emerge before leaves in the spring. Male and female flowers are on separate trees (dioecious).
Fruit is 1 to 2 inches long. Fruit is flat, looks like the blade of a canoe paddle. Seed is almost entirely surrounded by the fruit. Fruit hangs in clusters, matures in late summer, wind-dispersed.
The genus name Fraxinus is from the Latin for "ash."