The leaves are pinnate and is composed of three single leaves. The individual leaves are irregularly sinuate, ovate and pointed. The petiole is long and reddish, leaf margin coarsely toothed and the leaf arrangement is alternate.
The inconspicuous yellowish flower appears, unlike many other maples, after the leaf shoots. Often, more than 30 single flowers at an raceme.
Schizocarp: Two seeds form a winged nutlets. The seeds and wings are strongly pronounced broad and reddish in summer. The wings are to each other at an acute angle.