<P> A pitaya / pɪˈtaɪ. 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 of the genus Hylocereus . </P> <P> These fruits are commonly known in English as "dragon fruit", reflecting its vernacular Asian names . The names pitahaya and pitaya derive from Mexico, and pitaya roja in Central America and northern South America, possibly relating to pitahaya for names of tall cacti species with flowering fruit . In China, the fruit is referred to as huǒlóng guǒ (火龍 果), literally' fire dragon fruit' . </P> <P> Pitahaya - producing cacti of the genus Hylocereus, originally native to a region including Mexico, Guatemala, Costa Rica, El Salvador, and northern South America . The dragon fruit is cultivated in Southeast Asia, Florida, the Caribbean, Australia, and throughout tropical and subtropical world regions . </P>

How do you call dragon fruit in spanish