American Sycamore
Platanus occidentalis · Platanaceae (Plane-tree family)
AI-generated identification · may be incorrect
Leaf Morphology
Leaf Type
Simple, deciduous leaf
Shape
Broadly ovate to orbicular, palmately 3 to 5 lobed with shallow to moderately deep sinuses
Margin
Coarsely serrate or dentate with shallow teeth along the lobes
Arrangement
Alternate arrangement along the twig, with a hollow petiole base that completely covers the axillary bud
Venation
Palmate venation with prominent yellowish primary veins radiating from the base, branching into a clear reticulate network
Key Features
Massive size, distinctive peeling multi-colored bark resembling puzzle pieces, large palmately lobed leaves with coarse teeth, and dangling spherical fruit clusters (buttonballs).
Description
The American Sycamore is a massive, majestic deciduous tree renowned for its distinctive, exfoliating camouflage bark that peels away to reveal smooth white, gray, and green inner layers. It produces spherical aggregate fruits called buttonballs that hang on slender stalks through winter. The leaves are among the largest of any native North American hardwood, offering dense summer shade and turning a muted brownish-yellow in autumn.
Habitat
Found primarily along streams, rivers, floodplains, and rich bottomlands; thrives in moist, deep alluvial soils and full sun exposure
Native Range
Native to eastern and central North America, stretching from southern Ontario and Maine down to Florida, and west to Texas and the Great Plains