Koelreuteria bipinnata

A spreading, deciduous tree to 8m tall, with large, 2-pinnate leaves composed of opposite pairs of finely toothed, oval leaflets. Red-spotted yellow flowers are borne in pyramidal clusters to 30cm long in late summer; these are followed by unusual, inflated, pink-or red-flushed fruit capsules. A fine specimen tree, flowering best where summers are hot