The Golden Monkey Tail Cactus (Cleistocactus winteri) is a distinctive trailing succulent native to the rocky landscapes of Bolivia. It is famous for its long, cascading stems that can grow between 2 and 5 feet in length, mimicking the look of a monkey’s tail. While the standard Monkey Tail features white, hair-like spines, this “Golden” variety is covered in soft, fuzzy, golden-yellow spines that give it a warm, shimmering appearance.