It is a medium-sized deciduous shade tree typically growing 40-50' tall with a dense, symmetrical, rounded crown. Leaves have five sharply pointed lobes and resemble those of sugar maple. Fall color is usually an unremarkable yellow. Small yellow flowers in erect cluster corymbs appear in spring before the foliage.Flowers give way to paired seeds with horizontally spreading wings samaras. 'Crimson King' is a red-leaved cultivar which is noted for its rich maroon leaves that last throughout the summer and its purple fruits.