Annual shrublet. Stems initially erect, scrambling with age, glabrous, slender, with branches at right angles, drooping downwards. Spines reflexed at base of stem, up to 10 mm long, minute or absent above. Cladodes in overlapping fascicles, small, soft, apiculate, ± 5 mm long. Flowers 1-4, exserted and often apical, amongst cladode fascicles; pedicels ± 4 mm long in fruit. Flowering time Nov., Dec. Fruit a berry.
Annual herb, erect at first, lengthening and scrambling with age, glabrous, slender. Roots cylindrical. Stems flexuous, without clear longitudinal striations. Spines present on main branches. Cladodes ± 5 mm long, soft. Flowers: 1-4 at ends of spreading or recurved branchlets; tepals white; Oct.-Jan. Fruit a berry.