Erect or scandent, spiny shrub, up to 2 m high. Stems smooth, with spreading branches. Spines short, recurved below, suppressed above. Cladodes ± 50 per fascicle, pale green, ± 15 mm long. Flowers many in fascicles on young branches; stamens with yellow anthers; pedicels ± 5 mm long, articulated in lower half. Flowering time Aug.-Nov. Fruit a berry.
Erect or scandent, spiny shrub to 2 m, stems with hooked spines below. Cladodes to 50 in fascicles. Flowers many in fascicles on young branches, tepals and filaments spreading.
Erect, glabrous shrub, up to 2 m high. Stems and branches smooth, glabrous. Flowers many, erect in each dense cladode fascicle; white.