schizopetalon

from The Century Dictionary.

• noun A small genus of Chilian cruciferous herbs with laciniate purple or white petals. One of them, S. Walkeri, is grown as a flower-garden annual. It reaches a height of one or two feet and bears sessile sinuate or entire leaves and many fragrant white flowers.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a dainty South American annual having deeply pinnatifid leaves and racemes of fringed almond-scented purple-white flowers