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A small shrub. It keeps growing from year to year. The stems are spiny. It grows 1.2 m high. The leaves are very small scales. The stems are flattened and look like leaves and have a spine at the end. The flowers have a scent. The flowers are small and white and occur in groups with small hard brown bracts at the base. The fruit is a berry. It is 5 mm across and red with 1 or 2 seeds. They are green but turn yellow then red as they ripen.
Erect, stiff shrublet, up to 0.60 m high. Stems minutely striate, with short, ascending, straight or laxly zigzagging branches, sometimes with round brownish galls. Spines poorly developed. Cladodes solitary on abbreviated branchlets, linear, acute, striate, hard, 3040 x 2-5 mm. Flowers few to many on an apical disc; pedicels ± 5 mm long, articulated in lower half. Flowering time Oct.-Dec. Fruit an orange to red berry.
Small, stiff shrub, up to 1.2 m high. Roots with tubers on side roots, some distance away from rhizome. Stems erect, branches somewhat zigzagging (pseudo-sympodial). Spines poorly developed. Cladodes on short branches, solitary, linear, ± 30-40 x 2-5 mm, acute, striate, hard. Flowers: in apical fascicles; tepals white; Oct.-Dec. Fruit a berry.
Rigid, erect shrublet, up to 0.75 m tall, stems minutely striate, spines poorly developed, confined to basal parts. Cladodes solitary, linear, hard and striate. Flowers few to many on an apical disc, tepals and filaments spreading.
Erect shrublet to 60 cm, stems minutely striate with weak spines. Cladodes single, linear, hard and striate. Flowers few to many on an apical disc, tepals and filaments spreading.
