Shrub Staphylea colchica [Colchris Bladdernut, Causasian Bladdernut] The Colchris Bladdernut is a medium sized shrub, native to the Eurasian Caucasus mountain system, in eastern Europe. Its flowers are white, bell-shaped, and very fragrant, reminding one of orange-blossoms. Its fruit gives this plant its common name, appearing as an inflated capsule. This shrub tends to sucker once established.
Shrub Indiana Native Staphylea trifolia [American Bladdernut] An upright, heavily branched, suckering shrub; sometimes wide-spreading, as a small tree. Used in naturalizing; best reserved for parks and other low maintenance areas; rather nice for foliage effect.