The genus Roepera is in the family Zygophyllaceae in the major group Angiosperms. Zygophyllaceae is a family of flowering plants that contain the bean-caper and caltrop. The family includes around 285 species in 22 genera.

Roepera morgsana grows into a shrub of up to 1.5 meters tall. From spring to autumn it bears large yellow flowers. These are followed by 4-winged fruit which at first are green then turning papery-brown. It is usually found growing in coastal sands.