American Elm

Ulmus americana · Ulmaceae (Elm family)

AI-generated identification · may be incorrect
American Elm

Leaf Morphology

Leaf Type

Simple deciduous leaf

Shape

Ovate with an asymmetric leaf base

Margin

Doubly serrate

Arrangement

Alternate with a short petiole

Venation

Pinnate with highly prominent, straight parallel lateral veins

Key Features

The strongly asymmetric leaf base combined with prominent straight parallel lateral veins and doubly serrate margins.

Description

A large deciduous tree featuring a graceful vase-shaped canopy, gray furrowed bark, and inconspicuous wind-pollinated flowers followed by winged samaras, turning yellow in autumn.

Habitat

Found in rich bottomland forests, floodplains, and moist uplands with well-drained soils in full sun to partial shade.

Native Range

Native to eastern and central North America, and widely planted as a street tree across temperate regions.

Identified on 10/14/2026