A closer view of a spiny Trichocereus pachanoi cultivated at Quito, Ecuador.
Both long and short spined forms of pachanoi are common in Ecuador (similar to the picture in Peru). It has been proposed that the short spined versions were developed by human selection but as far as I can tell this is entirely still speculative.
Image copyright by Hubbie Smidlak 2008;
reproduced with permission by Trout’s Notes
More pachanoi at Quito, Ecuador
pachanoi at Vilcabamba, Ecuador
pachanoi in Peru
pachanoi in Bolivia
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“pachanoi or pachanot?“
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Smith’s observations
with excerpts from some published descriptions. -
Topic 1: Backeberg’s clone
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Topic 2: pachanoi compared to pachanot.
Additional material to ponder: