Trichocereus terscheckii (Argentine Saguaro Cactus)

Trichocereus terscheckii, also known as the Argentine Saguaro Cactus, is a large columnar cactus native to Argentina. It has tall vertical stems that can reach heights of up to 30 feet, branching out near the top. The stems are covered in dense spines, which are typically whitish or grayish in color. This cactus blooms with large, white, night-blooming flowers that are followed by small, greenish fruits.