Body in clusters, cylindrical. Ribs 7-9 with pointed ridges. Areoles wide-set. Central spines 4-7, radial spines 10-14, bristly and white. Flowers yellow. Fruit yellow.

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.