White Ash (American Ash)

Fraxinus americana · Oleaceae (Olive family)

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

Leaf Morphology

Leaf Type

Pinnately compound, deciduous

Shape

Lanceolate to ovate leaflets, typically 5 to 9 leaflets per leaf

Margin

Finely serrate to entire

Arrangement

Opposite

Venation

Pinnate venation with a prominent central midrib on each leaflet

Key Features

Opposite, pinnately compound leaves with 5 to 9 stalked leaflets; distinctive diamond-furrowed bark on mature trees; U-shaped leaf scars on twigs.

Description

A medium to large deciduous tree featuring a straight trunk with ridged, diamond-patterned bark. The compound leaves create a lush canopy, turning striking shades of purple and gold in the fall.

Habitat

Rich, moist, well-drained soils of deciduous forests, along streams, and in upland areas. Prefers full sun to partial shade.

Native Range

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

Identified on 10/13/2026
White Ash (American Ash) | Leaf Identifier