Red Maple (Swamp Maple, Soft Maple)

Acer rubrum · Sapindaceae (Soapberry and Maple family)

AI-generated identification · may be incorrect
Red Maple (Swamp Maple, Soft Maple)

Leaf Morphology

Leaf Type

Simple, deciduous

Shape

Palmate-lobed, typically with 3 to 5 triangular lobes

Margin

Serrate (coarsely toothed)

Arrangement

Opposite

Venation

Palmate venation with three primary prominent veins radiating from the base, featuring a clear reticulate network.

Key Features

Opposite simple leaves with 3 to 5 distinct lobes, V-shaped sinuses between the lobes, coarsely serrated margins, and a reddish petiole.

Description

Acer rubrum is a medium to large deciduous tree recognized for its stunning scarlet autumn foliage, smooth grey bark on young trees becoming ridged with age, and small red clusters of flowers that bloom in early spring before the leaves emerge.

Habitat

Widely adaptable, commonly found in both wet swampy bottomlands and dry upland forests, thriving in acidic, moist soils under full sun to partial shade.

Native Range

Native to eastern North America, stretching from southeastern Canada down through Florida and west to Texas and Minnesota.

Notes

Northern Minnesota

Identified on 10/9/2026
Red Maple (Swamp Maple, Soft Maple) | Leaf Identifier