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Trichocereus strigosus / Echinopsis strigosa

Trichocereus strigosus is a plant from the genus Trichocereus. Its status is questionable and it is sometimes also listed as Soehrensia strigosa. I treat it as a correct species in the genus Trichocereus. It is closely related to Trichocereus vatteri and only differs from it by the flowers. Visually, both species are very hard to…

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Various populations of Trichocereus santaensis / Peruvianus in Peru

Trichocereus santaensis, also known as Echinopsis santaensis, is a rare Trichocereus species from the Santa Valley in Peru. It was described by Backeberg and Rauh, and its status is currently not really clear. There should be some DNA testing to investigate whether or not it deserves to be treated as a correct species and the…

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Trichocereus terscheckii (Echinopsis terscheckii)

Origin: Trichocereus terscheckii  is a variable species that is a catch-all name for a variety of different forms, some of which form intermediates with other species like Trichocereus atacamensis, Trichocereus taquimbalensis, Trichocereus validus and others. Trichocereus terscheckii grows around the south of Bolivia, North Argentina (Catamarca, Tucuman, La Rioja, Jujuy, San Juan, Salta) and there are…

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