Alexandra Khitrova is a Russian illustrator and concept artist who creates fantasy -like digital paintings. Previously a motion graphics specialist, she now goes by. Valuable Monsters/ Fruit Dragons. A pitaya /pᵻˈtaɪ.ə/ or pitahaya /ˌpɪtəˈhaɪ.ə/ is the fruit of several cactus species indigenous to the Americas. Pitaya usually refers to fruit of the genus Stenocereus, while pitahaya or dragon fruit refers to fruit Hylocereus undatus · Hylocereus · Sugar-apple · Stenocereus. Continue to 4 of 9. Mercola Interviews Neil Miller on his Review of Critical Vaccine Studies July 2, Skurrilen moment when you stop playing PAD in the grocery store on Thursday after being trolled in green dragon's den and look up to see a shelf full of dragon fruits. Momo in reply to BESTEST 3 years ago 7. How to Prepare and Eat Dragon Fruit. Fruits of some other columnar cacti mainly Cereeae are also called "pitayas" — for example those of the Peruvian apple cactus Cereus repanduswhich are very rare.