This is a very typical collection of Trichocereus camarguensis from Karel Knize. He assigned the collection number Trichocereus KK1414 for a collection site in Camargo, Bolivia, where this plant originally comes from. The main database page for Trichocereus camarguensis can be found below. https://trichocereus.net/trichocereus-camarguensis-echinopsis-camarguensis/ I don´t know how much variation is within this local population…
