Solitary, body globular 2 cm wide. Tubercles prominent, cylindrical. Axils with wool and bristles. Central spines 1-2, 4-6 mm long. Radial spines 30-40, whitish, hairy. Flowers pale yellow 1.5 cm wide. Fruit ?

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.