Trichocereus shaferi (Echinopsis shaferi)
The name Trichocereus shaferi was described by Britton and Rose in the 1920s and lacked some important information. However, there were some later descriptions by Friedrich Ritter, Curt Backeberg/Rauh and Werdermann that went more into detail. Trichocereus shaferi pups from the base and reaches a size of 1-1,5 …