Size: tree, 15-18' average height and spread at maturity
Buds: small, pinted, glabrous, terminal usually absent, axis often parallel with branch, rests on small shelflike leaf scar
Leaves: deciduous, opposite, 2-3" long, 1-2.5" wide, simple, 3 lobes, central much larger than side lobes, margins often undulate or revolute, very small rounded teeth, dark or dull green on top, underside light green, glabrous, red in fall
Flowers: monoecious, creamy, often in great quantities, fragrant
Fruit: double samara, some fruit (or a fruit pedicel) often remain on branch, unripe samaras can be vivid red in midsummer, often in numbers that weigh down the branches, become ripe in September
Bark: olive gray or gray-brown, smooth with darkened lines
