The Botanical History of Echinopsis pachanoi
The cactus Echinopsis pachanoi (historically classified as Trichocereus pachanoi), known colloquially as San Pedro, is one of the most culturally significant plants native to the Andean mountain ranges of Peru, Ecuador, and Bolivia. Growing at elevations between 2,000 and 3,000 meters above sea level, this columnar species is distinguished by its deep green hue, rounded […]