What is this part of the cactus called? Where the spikes is missing? : r EnglishLearning Dracaena Care Guide The Little Botanical Meet Trichocereus macrogonus var. pachanoi, better known as the San Pedro cactus. Native to South America, with traditional religious and medicinal uses spanning more than 3,000 years. And this is just the Trichocereus bridgesii x Tricho. peruvianus) cv. 'Lorca' Live plant