Densely clustering, body almost globular 5-6 cm wide, to 8 cm high. Axils densely white woolly. 4 yellow or reddish-brown central spines 11 mm long, lower spine longer (to 20 mm) and hooked, 30-40 stiff whitish radial spines 8 mm long. Flowers light purple (or reddish) to 15 mm long and wide. Fruit whitish.

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.