Japanese Maple (Palmate Maple)
Kingdom: Plantae, Division: Tracheophyta, Class: Spermatopsida, Order: Sapindales, Family: Sapindaceae, Genus: Acer, Species: A. palmatum · Sapindaceae (Soapberry and Maple family) · Simple, deciduous leaf deeply lobed
Species
Acer palmatum
Leaf Type
Simple, deciduous leaf deeply lobed
Family
Sapindaceae (Soapberry and Maple family)
Shape
Palmate with 5 to 7 deeply cut lobes
Size
Approximately 3 to 4 inches across, typical for young or dwarf varieties of Japanese maple
Margin
Serrate to doubly serrate margins along the lobes
Arrangement
Opposite arrangement along the stems
Rarity
Very Common in cultivation worldwide, though certain specific cultivars may be harder to find
Color & Pattern
Dark green upper surface with a slightly paler underside, typical of summer mature foliage
Venation Pattern
Palmate venation radiating outward from the base of the petiole
Texture & Surface
Smooth (glabrous) surface with a somewhat matte finish
Description
This leaf exhibits the iconic deeply lobed, star-like morphology of the Japanese Maple. The plant itself grows as a small deciduous tree or large shrub with graceful branching, highly prized in landscaping for its delicate foliage and vibrant seasonal color shifts.
Key Features
Opposite leaf arrangement, deeply divided palmate lobes with serrated edges, and slender petioles
Habitat
Part shade to full sun, rich, well-draining acidic soils with consistent moisture
Geographic Range
Native to Japan, Korea, China, and eastern Russia; widely cultivated globally as an ornamental
Condition Notes
The leaf appears relatively healthy with intact margins, though it has been detached and shows normal handling wear. Overall health grade is Good.
Interesting Facts
Japanese maples have been cultivated in Japan for centuries, with hundreds of cultivars developed for specific leaf shapes, growth habits, and colors.
Medicinal & Uses
Primarily grown as a high-value ornamental landscape plant and for bonsai cultivation. Not traditionally used for heavy medicinal purposes.
Ecological Role
Provides shelter and minor food sources for local urban and suburban wildlife, but primarily functions as an ornamental introduced species in Western countries
Similar Species
Smooth Japanese Maple (Acer japonicum) which typically has more numerous, shallow lobes (7-9 or more) compared to the deeper divisions of Acer palmatum.
Foraging Tips
Look in managed landscapes, arboretums, and suburban gardens where it is commonly planted as an ornamental feature
Toxicity Warning
Non-toxic to humans and common household pets like dogs and cats