Echinopsis subdenudata f. cristata (syn. subdenudatus) - One Off SpecialsEchinopsis subdenudata f. cristata is a spectacularly unique cactus that develops striking, contorted, and fan like growth due to its crested mutation. Native to South America, this rare form arises from a genetic anomaly in the standard species, resulting in mesmerizing rippling ridges. Distinctive Features Crested Growth: Develops an unusual, undulating, fan like structure instead of a regular cylindrical shape, making each specimen one of a kind.