Fishbone CactusFishbone Cactus Epiphyllum anguliger This eye catching cactus originates from the rainforest of Mexico and has uniquely shaped long, flat stems resembling (you guessed it) a fishbone! The stems start by growing upright but as they grow longer, they eventually trail down. This is an epiphytic plant meaning it grows aerial roots, this is because, in its natural environment, the fishbone would anchor to a host plant. Decorative pot not included.