Trichocereus Manguinii aka Trichocereus WK
Trichocereus manguinii is an older species described by Curt Backeberg. It is very rare, but can be found sporadically in Australia under the name Trichocereus WK. I have absolutely no idea what WK stands for but the name Trichocereus manguinii goes back to Backeberg, who tried to describe …