goldenrain tree, (Koelreuteria paniculata), flowering tree of the soapberry family (Sapindaceae), native to East Asia and widely cultivated in temperate regions for its handsome foliage and curious bladderlike seedpods.
The dome-shaped tree grows to about 9 metres (30 feet) tall. The yellow four-petaled flowers grow in a showy terminal cluster. The papery, greenish fruit pods, which appear soon after the flowers, contain black seeds.