Body solitary or clustering, compressed spherical to shortly cylindrical. Tubercles forming 35-40 spirals, areoles narrow, elongated. Spines 24-26 distinctively white, spreading laterally only and comb-like. Flowers orange to pinkish, about 4 cm wide. Fruit reddish to purple.

 

Bolivia

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.