Solitary, body globular, to 4.5 cm wide. Tubercles prominent, pyramidal. Axils woolly. Central spines lacking. Radial spines 17-25, 1.2-2.2 mm long, white. Flowers pale magenta, 2 cm long and wide.
Source: (1997). Cactaceae. In: . 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.