green ash Oleaceae Fraxinus pennsylvanica
Leaf:Opposite, pinnately compound with 7 to 9 serrate leaflets that are lanceolate to elliptical in shape, entire leaf is 6 to 9 inches long, green above and glabrous to silky-pubescent 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 single-winged, dry, flattened samara with a slender, thin seed cavity, maturing in autumn and dispersing over winter.
Twig:Stout to medium texture, gray to green-brown and either glabrous or pubescent, depending on variety; leaf scars are semicircular to flat across the top, with lateral buds sitting on top of leaf scar (not down in a in notch as with white ash).
Bark:Ashy gray to brown in color, with interlacing corky ridges forming obvious diamonds; older trees may be somewhat scaly.
Form:A medium sized tree to 70 feet tall with a poorly formed bole and an irregular to round crown.