Cockspur (Latin name: Acer palmatum Thunb.), also known as: cockspur maple, deciduous small trees; crown umbrella-shaped. Bark smooth. Bark dark gray. Branchlets purple or light purple-green, old branches light grayish purple. Leaves suborbicular, base cordate or subcordate, palmate, often 7-parted, densely acutely serrate. Posterior leaves flowering; flowers purple, polygamous, male and bisexual flowers together; corymbs. Sepals ovate-lanceolate; petals elliptic or obovate. Young fruit purplish red, tawny when ripe, drupe spherical, veins conspicuous, both wings obtuse. Flowering and fruiting period from May to September.
Produced in provinces and regions from east and central China to southwest China. It is found at low altitudes in forest edges or sparse forests. Korea and Japan are also distributed. Countries have long been introduced into cultivation, including red maple and feather maple often used as garden trees.
The chicken maple like sunlight, avoiding the west, the west will scorch the leaves. More shade-tolerant, in the shade of tall trees grow well. Strong resistance to sulfur dioxide and soot. Its leaf shape is beautiful, after the fall turned bright red, colorful as flowers, brilliant as Xia, for the excellent foliage species.