1, the English of dragon fruit is pitaya, pronunciation: English [p_t_j_], American [p_t_j_].

2, dragon fruit (scientific name: Hylocereus undatusFoo-Lon, English: pitaya) is a cactus family, the genus Measurement of heavenly ruler Measurement of heavenly ruler of the cultivars, climbing fleshy shrubs, with aerial roots. Branches numerous, extended, leaf blade ribs often winged, margins undulate or crenate, dark green to light blue-green, bony; flowers funnel-shaped, opening at night.

3. Scales ovate-lanceolate to lanceolate, calyx-like tepals yellowish-green, linear to linear-lanceolate, petaloid tepals white, oblong-oblanceolate, filaments yellowish-white, styles yellowish-white, berries red, oblong-globose, umbilicus small, flesh white, red. Seeds obovate, black, umbilicus small. flowers and fruits from July to December.