Has light green compound leaves, with 5 to 9 leaflets, that grow from 8 to 15 inches in length. Grow from 50 to 80 feet in height. Produces small non-ornamental purple-green flowers in April. Produces seeds in small 1 to 2 inch winged samara fruits. Leaves turn yellow to a purple-maroon color in the fall. Among the 7.5 billion North American trees in the genus Fraxinus that are threatened by the Emerald ash borer. Is slightly less affected than black and green ash due to its smaller population.