Habit : An erect undershrub with stems glabrous or pubescent towards the apex.
Leaves : On the main stem, large, lanceolate, acute or acuminate at apex, cuneate and decurrent into the long petiole to nearly its base, muticous, leaves of the branches much smaller, almost linear, mucronate softly pubescent, spinous-pointed.
Inflorescence : Terminal spikes, variable in size and shape, sometimes dense, lax with the flowers in distinct opposite pairs.
