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Green Ash (Fraxinus pennsylvanica)

• Family: Ash (Oleaceae)
• Flowering: April-May.
• Field Marks: The green ash has leaflets not decidedly paler on the lower surface and usually at least partially toothed. The young, expanding leaves are purplish.
• Habitat: Swamps, floodplain woods, along streams, around ponds.
• Habit: Tree up to 60 feet tall with a pyramidal to broadly rounded crown.
• Bark: Light or dark gray, with diamond-shaped furrows between flat-topped, sometimes scaly ridges.
• Leaves: Opposite, pinnately compound, with 7-9 leaflets; each leaflet lanceolate to elliptic to elliptic-ovate, pointed at the tip, tapering to the base, toothed along the edges, green and either smooth or hairy on both surfaces, up to 6 inches long, up to 2 inches broad.
• Flowers: Male and female flowers borne on separate trees, in branched clusters, green or purplish.
• Sepals: Minute.
• Petals: 0.
• Stamens: 2.
• Pistils: Ovary superior.
• Fruits: Samaras lance-shaped, up to 2 1/2 inches long, up to 1/2 inch broad, with the wing not extending to the base of the seed.