Leaf Morphology
Leaf Type
Simple deciduous leaf
Shape
Elliptical to ovate with an asymmetric or unequal leaf base
Margin
Doubly serrate with sharp teeth
Arrangement
Alternate arrangement along the twig
Venation
Pinnate venation with very straight, parallel veins running directly from the prominent midrib to the margin
Key Features
Unequal or asymmetric leaf base where one side of the blade meets the petiole lower than the other, very prominent straight parallel veins, and a rough sandpapery upper surface
Description
The American Elm is a majestic, large deciduous tree known for its distinctive vase-like shape with an arching canopy. It features dark grey furrowed bark, inconspicuous wind-pollinated flowers, and papery winged samaras for seeds.
Habitat
Rich bottomland soils, floodplains, along streams, and mixed hardwood forests, tolerating occasional flooding and wet soils
Native Range
Native to eastern North America, spanning from Nova Scotia west to Alberta, and south to Florida and Texas