Tephrocactus Articulatus Cactus, Pine Cone Cactus PlantTephrocactus articulatus, also known as the "Pine Cone Cactus" or "Paper Spine Cholla," is a striking cactus species native to Argentina. A member of the Opuntioideae subfamily, it is easily recognized by its distinctive, pine cone like stem segments. These unique, stacked segments give the plant an intriguing, sculptural appearance, making it a standout addition to any cactus collection. Tephrocactus Articulatus is a fascinating and unique houseplant