American Elm, White Elm, or Water Elm

Ulmus americana · Ulmaceae (Elm family)

AI-generated identification · may be incorrect
American Elm, White Elm, or Water Elm

Leaf Morphology

Leaf Type

Simple, deciduous leaf

Shape

Ovate to obovate with an asymmetrical base

Margin

Doubly serrate (coarsely toothed with smaller teeth along the main teeth)

Arrangement

Alternate

Venation

Pinnate with straight, parallel prominent secondary veins running directly to the margin

Key Features

Unequal (asymmetrical) leaf base where one side of the blade joins the petiole lower than the other, doubly serrate margins, and prominent straight lateral veins

Description

The American Elm is a majestic, vase-shaped deciduous tree historically famous for creating cathedral-like arches over urban streets. The leaves are characteristically asymmetrical at the base, sharply double-toothed, and feature prominent straight parallel veins. The bark is dark gray and deeply furrowed into interlacing ridges.

Habitat

Found naturally in rich bottomland forests, floodplains, along streams, and moist uplands; tolerates a wide range of soils and urban pollution

Native Range

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

Identified on 10/12/2026