Pot: 6,5 cm.
It is a species with conical roots, very variable in its color, which ranges from light green to purplish. Its tubercles develop into clusters of many heads. They are covered with small spines that tend to curve back towards them. During the flowering season, in late spring, the inflorescences remain open for 3 or 4 days, almost completely covering the plant. The flowers are of the most varied colors: from orange to dark magenta.