Hylocereus undatus, commonly calledwhite dragon, is tropical evergreen perennial plant of the hylocereusvgenus. The flower resembles (Epiphyllum oxypetalum and flowers in the autumn night from the summer of the same period. It is told to be edible in dragon fruit and the fruit circulates by the name of pitaya. The flesh of fruit does not have taste so much, but is done with a health food because various vitamins, polyphenol, carotene, iron content, a nutrient are low-calorie highly. It is eaten with the seed of the sesame grain size. In local Mexico, It is eat not only the fruit but also a flower and the mesophyll. White dragon (scientific name:Hylocereus undatus:) is the kind that a crust is red as for the representative kind, and flesh of fruit is white Red dragon (scientific name::Hylocereus costaricensis) is the kind that crusts are red, and the flesh of fruit is red Yellow dragon(scientific name: Selenicereus megalanthusis the kind that a crust are yellow and flesh of fruit is white.there are those hy brids elsewhere.
Generic name: Hylocereus undatus , scientific name: Hylocereus undatus , another name:Pitaya, Dragon fruit.Triangular prism), the place of origin: Mexico, cultivation distribution: It is Southeast Asia, Taiwan, China, height of a rice plant worldwide Okinawa, Kyushu in Japan: 10m (the field), a color of a flower: White, flower diameter: 25-30cm, a calyx color: Yellow, a stamen color: Yellow, anthesis: For from July to October, it is fruit form: An oval, a rind of a fruit color: Red, yellow, a flesh of fruit color: Red, white, peach.