Hylocereus undatus (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 Dragonfruit. The native origin of the species has never been resolved.
Read more about Hylocereus Undatus: Common Names, Etymology, History, Origin and Habitat, Systematics, Cultivation, Description, Cost