Clustering, body depressed globular, to 4 cm wide. Tubercles prominent, cylindrical. Axils woolly and bristly. Central spines solitary, to 11 mm long, reddish-brown, tip hooked. Radial spines 12-14, 6-8 mm long, white, tips brown, needle-like. Flowers whitish with reddish central stripe, 1.5 cm long and wide. Fruit red.

Mexico

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.