White Ash (American Ash)

Fraxinus americana · Oleaceae (Olive family)

AI-generated identification · may be incorrect
White Ash (American Ash)

Leaf Morphology

Leaf Type

Compound (pinnately compound, typically with 5 to 9 leaflets), deciduous

Shape

Lanceolate to ovate leaflets with tapered tips

Margin

Serrate (finely toothed) to entire near the base

Arrangement

Opposite

Venation

Pinnate

Key Features

Oppositely arranged, pinnately compound leaves with 5-9 stalked leaflets, distinctive whitish undersides, and deep bark ridges on mature trunks

Description

White Ash is a large, stately deciduous tree known for its strong wood and beautiful fall color. The compound leaves feature distinct opposing leaflets that turn striking shades of purple and bronze in autumn. The bark develops a distinctive diamond-patterned furrowing on mature trees.

Habitat

Rich, moist, well-drained soils of deciduous forests, along streams, and on moderate slopes

Native Range

Native to eastern and central North America, ranging from Nova Scotia west to Minnesota, and south to Florida and eastern Texas

Identified on 10/7/2026