Night queen dragon flower

The dragon looks like a knight queen flower, tall, white and yellow. The flowers are called 'Queen of the Night' so that the flowers are filled in the night. Dreamed; But accelerates the pollination of bees, bees and insects and spiders. Pitas or dragon is a type of cactus species. Importantly its genus Hyloserius (sweet papaya). The people of the world are known as the Fire Dragon, Sweet Dragon in Vietnam, Dragon in Indonesia and Malaysia, and Dragon Cristal in Thailand.