The individual leaflets of ash leaves are 2 to 3 inches long. Those of white ash may be yellow, bronze, brown-maroon or red. The similar leaflets of green ash are uniformly pale to rich yellow. This small tree with colorful apple-like fruit is a member of the rose family and is not related to the white or green ash. Mountain ash is a northern species that can be found along the high mountains south to the Smokies.
Black locust leaves.
The alternate , compound yellow leaves of black locusts have a dozen or more small, rounded, opposite leaflets and usually two stout woody thorns at the base of the leaf stalk. Also known locally as white or yellow locust , these weedy trees grow in disturbed soil in the southern Appalachians from Pennsylvania to Georgia, where their hard wood, once used for wagon wheel hubs, is prized for fence posts. The leaves may turn yellow to yellow-green, but they are drab in the fall. The leaves of butternut , or white walnut , which has a cylindrical nut, are more colorful. Mockernut hickory leaves.