Prostrate, trailing shrublet to 30 cm and 1 m diam. Leaves unifoliolate, opposite on flowering branches, cordate to oblong-cordate, reticulately veined, often clasping. Flowers solitary, keel rostrate, calyx lobes as long as or much longer than tube, upper lobes broader and falcate. Pods oblong, upper margin convex.
A spreading shrub. It grows 50 cm high and 2 m wide.