Solitary, body elongate, to 9.5 cm wide and 12.5 cm high, without milky sap. Tubercles prominent. Axils at first woolly. Central spines 2, 3 mm long, white, tips brown. Radial spines 14, 3-6 mm long, white. Flowers purplish red, to 1 cm long.

S 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.