Clustering, body cylindrical to over 10 cm tall. Axils without bristles. Central spines 4, lowest the longest and with dark tips. Radial spines 10-20 bristly, pale. Flowers pinkish or creamy, striped maroon outside. Fruit scarlet.

NW 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.