Leaf Morphology
Leaf Type
Simple deciduous leaf
Shape
Elliptical to ovate with an asymmetric (unequal) base
Margin
Doubly serrate (coarsely toothed with smaller teeth on the primary teeth)
Arrangement
Alternate arrangement along the twig
Venation
Pinnate venation with very straight, parallel prominent side veins running directly to the margin
Key Features
Unequal or asymmetric leaf base where one side of the blade attaches lower on the petiole than the other; straight, unbranched parallel veins running to the margin; doubly serrate edges
Description
A classic deciduous tree leaf showcasing brilliant autumn yellow coloration. The American Elm is a large, majestic shade tree traditionally known for its graceful, vase-like crown and arching branches that once formed majestic tunnels over historic American streets.
Habitat
Rich bottomland forests, floodplains, along streams, and moist uplands, preferring deep, rich, well-drained 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 Texas