Dwarf shrub, 0.2-0.4 m high. Stems much branched, glabrous, greyish green, smooth. Leaves semiterete to trigonous, tapering to a sharp point, 37-50 mm long, papillate. Flowers: in cymes; corolla 30-60 mm in diameter; petals bright pinkish purple, base often white; staminodes pinkish purple or white; anthers yellow; Oct.-Feb.