Clustering, body globular to 8 cm wide. Tubercles prominent to 1 cm. Axils woolly, bearing 4 bristles. Central spines (0)1-2, to 18 mm long, yellowish, tips brown. Radial spines 7-8, to 10 mm long, pale yellowish or whitish. Flowers white with pinkish central stripe, to 2 cm long. Fruit red-green.
E C Mexico
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.
