Disocactus is a colourful and intriguing genus of epiphytic cacti found in tropical and subtropical forests across Central America, the Caribbean, and parts of northern South America. These cacti typically grow on trees or rocks in warm, humid environments, relying on moisture and nutrients from the air and organic debris. They belong to the tribe Hylocereeae and differ from typical desert cacti in both form and habitat. Disocactus species are known for their bold, often tubular flowers and unique growth habits, making them popular ornamental plants among collectors and enthusiasts.