Peruvianus from OTJ, 8" tip cutting.
Of The Jungle (OTJ) is a now defunct nursery in Sebastopol, CA with close ties to Sacred Succulents. For many years Of The Jungle did online sales of 3 primary types of cacti: Juuls, peruvianus, and bridgesii.
This cutting is from one of their peruvianus plants. When I cut it for this listing, I was genuinely surprised by the lime green color across the whole diameter of the cutting.
Thanks for looking!