what is pitaya
A pitaya /pÉ¨ËtaÉª.É/ or pitahaya /ËpÉªtÉËhaÉª.É/ is the fruit of several cactus species. Pitaya  usually refers to fruit of the genus Stenocereus, while  pitahaya  or  dragon fruit  always refers to fruit of the genus Hylocereus. Hylocereus undatus (Pitaya blanca or white-fleshed pitaya) has red-skinned fruit with white flesh. 2  This is the most commonly seen dragon fruit. 3  Hylocereus costaricensis (Pitaya roja or red-fleshed pitaya, also known as Hylocereus polyrhizus) has red-skinned fruit with red flesh.