Clustering, body elongate to 5 cm wide, 30-200 cm long. Tubercles prominent. Axils woolly and sometimes bristly. Central spine solitary, to 2 cm, hooked. Radial spines 8, 10 mm long, white, tips brown. Flower scarlet, to 3 cm long. Fruit red.

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.