American Sycamore
Platanus occidentalis · Platanaceae (Plane-tree family)
AI-generated identification · may be incorrect
Leaf Morphology
Leaf Type
Simple, deciduous leaf
Shape
Palmate lobed shape with 3 to 5 prominent lobes, resembling a maple leaf but with shallower, broader sinuses and coarsely toothed margins
Margin
Coarsely serrate or dentate with shallow teeth along the lobes
Arrangement
Alternate arrangement along the twig, with a unique petiole base that completely encloses the axillary bud
Venation
Palmate venation with five primary veins radiating from the base of the leaf blade, featuring a strong and prominent midrib and branching secondary veins
Key Features
Exfoliating multicolored puzzle-piece bark, massive trunk girth, large palmate leaves with hollow petiole bases covering the buds, and dangling spherical fruit clusters
Description
The American Sycamore is a massive, majestic deciduous tree easily recognized by its distinctive mottled, camouflage-like bark that exfoliates in large sheets to reveal smooth white, green, and gray inner bark. It produces large, striking lobed leaves that provide dense shade, followed by inconspicuous flowers and characteristic dangling round seed balls known as buttonballs that persist through winter
Habitat
Typically found along streambanks, river floodplains, wet bottomlands, and rich moist soils, thriving in full sun to partial shade
Native Range
Native to eastern and central North America, stretching from Ontario, Canada, south to Texas and Florida, and widely planted as an urban street tree