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
Use your back button to return.
Or to go to:
Topic 1: Backeberg’s clone
Additional material to ponder: