white ash Oleaceae Fraxinus americana
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.