Leuchtenbergia

L. principis is one of the most distinctive, and fascinating cacti with long glaucous-green tubercles, tipped by equally long papery spines, it is unlike anything else. It is slow-growing and has a tuberous root.

Ferobergia is a horticultural intergeneric hybrid, made by crossing of a Ferocactus as a female and a Leuchtenbergia principis as a male. These hybrids are very variable, due to the intersection of characters deriving from the parents.