American Elm (White Elm, Water Elm)

Ulmus americana · Ulmaceae (Elm family)

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

Leaf Morphology

Leaf Type

Simple, deciduous

Shape

Oblate to ovate with an asymmetric, unequal base

Margin

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

Arrangement

Alternate

Venation

Pinnate with very prominent, straight, parallel lateral veins that run directly from the midrib to the marginal teeth without branching.

Key Features

Asymmetric leaf base, doubly serrate margins, straight unbranched parallel veins running to the edge, and rough upper leaf texture.

Description

The American Elm is a majestic, large deciduous tree famously recognized for its graceful vase-like shape, arching branches, and wide-spreading canopy. The leaves are distinctive due to their sharply pointed tips and pronouncedly unequal, asymmetric leaf bases where one side of the blade attaches lower on the petiole than the other.

Habitat

Bottomland forests, floodplains, rich river valleys, and moist uplands. Prefers deep, fertile, moist soils but exhibits high adaptability.

Native Range

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

Identified on 10/13/2026