Spreading shrub to 35 cm or so tall. Stem segments cylindrical at the base, slightly flattened towards the tip, to 20 cm long and easily shed. Spines 2-3 and mostly 1-3 cm long. Flowers orange-yellow, to 4 cm wide. Fruit to 3 cm long, becoming purplish.

Uruguay and Argentina

Source: Thompson, A, ; Forbes, S.; Spencer, R. (1997). Cactaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.