Clustering and mounding, body prominently globular, to 3.5 cm wide. Tubercles prominent, angular. Axils bare. Central spine solitary and exceeding radials or absent. Radial spines 18-24, 3-8 mm long, whitish, tips brown. Flowers carmine, 18 mm long. Fruit dark carmine.

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.