One top cutting of trichocereus bridgesii or echinopsis lageniformis, also known as Bolivian Torch, freshly cut and calloused.
This species is native to Bolivia and usually has longer spines and areoles spaced further apart than a typical pachanoi. (One popular form of bridgesii is the TBM, trichocereus bridgesii monsterose or penis cactus.)
Links: Trichocereus.net - Bridgesii Mega Page | CactusJerk Bridgesii vs. Pachanoi Botanical Comparison | LLifle Entry on Bridgesii
Cutting type: top
Rooted: yes
Length: 10-12"
Girth: ~2" wide, not including spines