Staphylea (Bladdernut) is a small genus of 10 or 11 species of flowering plants in the family Staphyleaceae, native to temperate regions of the Northern Hemisphere. The highest species diversity is in China, where four species occur. They are large shrubs, occasionally small trees, growing to 2-5 m tall. The leaves are deciduous, arranged in oppos... Found on http://en.wikipedia.org/wiki/Staphylea