Solitary, eventually clustering, body globular, to 5 cm wide. Tubercles prominent. Axils woolly and bristly. Central spines lacking. Radial spines 4-6, to 30 mm, white, tips reddish-brown. Flowers yellowish, 1.5 cm long, 1 cm wide. Fruit red.
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.