Hylocereus undatus, the white-fleshed pitahaya, is a species of Cactaceae and is the most cultivated species in the genus. It is used both as an ornamental vine and as a fruit crop - the pitahaya or dragon fruit. The native origin of the species has never been resolved.
Glittering and often delicate, Byblis, the Rainbow Plants, can sometime appear as frosted sprays of water, and in sunlight can sparkle with multicolored hues.