|Huge, vigorous deciduous tree; can reach 80 feet in height and 70 feet in width. Compound leaves are medium green with a herringbone pattern. Small, white double flowers with pink markings bloom in late spring in erect conical clusters of a few dozen flowers each. 'Baumannii', also referred to as 'Flore Pleno', sets no seed and bears no fruit. Provides heavy shade and requires ample summer water.