Solitary or clustering, body globular or eventually elongate, to 3 cm wide, without milky sap. Tubercles obscure. Axils bare. Central spines lacking. Radial spines about 100, unequal, to 1.5 mm long, white, bristle-like. Flowers pale pink, 2.5 cm long and wide. Fruit whitish.

EC 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.