European ash Oleaceae Fraxinus excelsior

Leaf:Opposite, pinnately compound, 8 to 12 inches long, 9 to 11 narrowly ovate, finely serrated leaflets, each up to 4 inches long, shiny green above, paler below.
Flower:Species is monoecious (sometimes separate male and female trees); females occur in loose pannicles; males in tighter groups; light green to dark purple, both sexes lacking petals, appear before the leaves in early spring.
Fruit:Straight, single winged samara, 1 to 1 1/2 inches long, 1/2 inch wide, in hanging clusters, conspicuous seed, mature in late summer and fall.
Twig:Stout, gray brown, leaf scar narrow u-shaped, buds pubescent, very dark (essentially black).
Bark:Initially smooth light gray brown, later become ridged and furrowed forming a tight diamond shaped pattern.
Form:In Europe, this is a large tree reaching up to 100 feet tall and several feet in diameter forming a rounded crown with a long clear trunk.

leaf flower twig bark form map

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