American Elm

Ulmus americana · Ulmaceae (Elm family)

AI-generated identification · may be incorrect
American Elm

Leaf Morphology

Leaf Type

Simple, deciduous leaf

Shape

Oblate to ovate-lanceolate with an inequilateral (asymmetric) base

Margin

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

Arrangement

Alternate

Venation

Pinnate with straight, parallel veins extending directly to the margin teeth and a prominent central midrib

Key Features

Distinguished by its severely asymmetric leaf base, doubly serrate margins, rough upper leaf texture, and the classic vase-shaped growth habit of the mature tree

Description

The American Elm is a large, majestic deciduous tree famous for its distinctive vase-like silhouette, graceful arching branches, and dark gray furrowed bark. Its leaves are elegantly asymmetric at the base and turn a pleasant golden yellow before dropping in late autumn.

Habitat

Bottomland forests, floodplains, along streams, and rich moist soils, though highly adaptable to urban environments and various soil types

Native Range

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

Identified on 10/10/2026