Erect, woody shrub, up to 1 m high. Stems erect, with short internodes, minutely pubescent. Spines short, sharp, reflexed. Cladodes solitary, overlapping, linear, apiculate, 1-nerved, leathery, dark green, thickened below, 40-65 x 5 mm. Flowers fascicled or solitary in short, compact racemes; pedicels articulated below flower base. Flowering time Oct.-Jan. Fruit a berry.