American Elm (White Elm, Water Elm)
Ulmus americana · Ulmaceae (Elm family)
AI-generated identification · may be incorrect
Leaf Morphology
Leaf Type
Simple, deciduous leaf
Shape
Elliptical to ovate with an asymmetrical (unequal) leaf base
Margin
Serrate to doubly serrate (sharply toothed edges)
Arrangement
Alternate
Venation
Pinnate venation with very straight, parallel secondary veins extending directly to the margin teeth, and a prominent central midrib
Key Features
Pronounced asymmetrical leaf base where one side of the blade attaches lower on the petiole than the other, straight parallel veins ending in teeth, and doubly serrate margins
Description
The American Elm is a majestic, large deciduous tree famously recognized by its graceful vase-like shape, arching branches, and wide-spreading canopy. It features dark gray, deeply furrowed bark with diamond-shaped ridges, inconspicuous greenish spring flowers, and papery winged samaras. The leaves are distinctive for their sharply toothed margins and heavily skewed, asymmetrical bases.
Habitat
Typically found in rich bottomland forests, along riverbanks, floodplains, and moist uplands, preferring deep, fertile, moist soils and full sun to partial shade
Native Range
Native to eastern North America, ranging from Nova Scotia west to Alberta, and south to Florida and central Texas