Thichocerus pachanoi (Peruvian Torch)

Thichocerus pachanoi, commonly known as Peruvian Torch, is a large columnar cactus native to the Andes Mountains of Peru and Ecuador. It is a slow-growing cactus that can reach heights of up to 20 feet. The cactus has multiple ribs with spines along the edges. It produces large, white flowers that bloom at night and produce small, green fruit.