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Trichocereus santiaguensis

Trichocereus santiaguensis is a regional variety of Trichocereus spachianus. And this clone has been floating around for at least 20 years. It sometimes is labeled Trichocereus pachanoi or Trichocereus bridgesii. And though the spination very rarely comes through, it makes it obvious that this is absolutely not a plant from the San Pedro group. The…

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Trichocereus bridgesii / Echinopsis lageniformis in Bolivia

Echinopsis lageniformis or Trichocereus bridgesii is probably THE dominant Trichocereus species in Bolivia. Yes, there are others but this species pretty much reflects the Bolivian counterpart to its Peruvian sister species like Trichocereus pachanoi and Trichocereus peruvianus. The populations usually get up to 4-5 meters tall and form large groups. This plant is probably one…

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Trichocereus pachanoi in Bolivia?

When people refer to Trichocereus pachanoi Bolivia, they usually mean populations of Echinopsis pachanoi in Bolivia. But much unlike popular belief, most of those plants are actually closer to Trichocereus bridgesii than to Trichocereus pachanoi. Both of these species are sister species and closely related, but they are not the same species. However, both species…

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