Pitaya is just an alternate spelling of the more common pitahaya which is most commonly called dragon fruit (also strawberry pear).
The foodlywise website about dragon fruit explains health...
Origin of potatoes Andes mountains South America original name Papa which is Quechua. There are over 4000 verities of potatoes.
Potatoes are grown all around the world. The Irish used to specialize...
The major source of Nopal or Nopales for export is south central Mexico. It is also grown in Spain and throughout South America, primarily for local use.