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 7 leaflets per leaf

Margin

Serrate (finely toothed) to entire near the base

Arrangement

Opposite

Venation

Pinnate venation with a prominent central midrib and looping lateral veins on each leaflet

Key Features

Opposite compound leaves typically featuring 7 stalked leaflets, distinctive diamond-patterned bark on mature trees, and U-shaped leaf scars on twigs

Description

A medium to large deciduous tree featuring a straight trunk, deeply furrowed diamond-patterned bark in mature specimens, and a rounded to oval crown. Produces winged seeds known as samaras and puts on a brilliant display of autumn foliage.

Habitat

Rich, moist, well-draining soils of deciduous forests, along streams, and in upland areas; thrives in full sun to partial shade

Native Range

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

Identified on 10/4/2026
White Ash (American Ash) | Leaf Identifier