Trichocereus werdermannianus, also known as Echinopsis werdermanniana, is a columnar Trichocereus species from Bolivia. It is a close relative of Trichocereus terscheckii and I consider it an intermediate species between the large Andean Trichoereus terscheckii and Trichocereus taquimbalensis. Original name: Trichocereus werdermannianus Backeberg & Knuth, Kaktus ABC Trichocereus werdermannianus is an old name that is…
