Solitary, body depressed globular, to 10 cm wide, with milky sap. Tubercles prominent, pyramidal. Axils at first white woolly. Central spines 1(-3), 1.2 cm long, pinkish, tips dark, slightly hooked. Radial spines 4(-6), 5-6 mm long, white, tips brown, upper stronger and similar to central. Flowers greenish with brown central stripe, 1.5-2 cm long and 1.8 cm wide. Fruit red.

C 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.