pitaya or dragon flowers are upwards of eight inches flowers only open at night

background nature leaf white floral beauty garden green fruits agriculture plant tropical colorful growth dragon beautiful cactus natural organic yellow petal botany hand pollen stamen botanical pistil blossom flora exotic fruit reproduction fertilization stigma bloom pollinated blooming flower blossoms bright closeup fresh grow growing sweet nutrients pink violet pitaya flowers eight inches open night fragrance hylocereus honolulu queen