Erect or scandent, spiny shrub, up to 2 m high. Stems erect, with long thin divergent, sympodioid branches. Spines small, retrorse, with triangular, appressed upper scale. Cladodes solitary, paired at stem apices, filiform, apiculate, 30-40 mm long. Flowers 6-20 in compact fascicle in upper node, flanked by two divergent cladodes; pedicels 5-6 mm long, articulated in lower half. Flowering time Oct.-Dec. Fruit a yellow berry.
Erect or scandent shrub, up to 1.5 m high. Branchlets long, thin. Cladodes filiform, 30-40 mm long. Flower fascicles much shorter than subtending cladodes; flower stalks 5-6 mm long. Flowers deep mauve, turning paler later.