Body more or less globular, 5-10 cm wide with (6-)8(-10) flat ribs with distinct intervening furrows. Areoles prominent, spineless. Flowers yellow, reddish in centre, 4-6.5 cm wide.
NE Mexico, SE North America (extremely rare in wild)
This species almost extinct in the wild.
Many of the plants available in cultivation under this name are probably of hybrid origin.
Source: (1997). Cactaceae. In: . 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.
This cutivar is a widely available beautifully ornamented clone.