This is a yellow, knobby pitaya — or dragon fruit — in Colombia. This is the same fruit as the flaming pink Asian variety.
A Pitaya or Dragon Fruit
About the author: Wade Shepard is the founder and editor of Vagabond Journey. He has been traveling the world since 1999, through 90 countries. He is the author of the book, Ghost Cities of China, and contributes to The Guardian, Forbes, Bloomberg, The Diplomat, the South China Morning Post, and other publications.