The dragon fruit is not the fruit of a cactus. It grows on the dragon fruit tree, but the dragon fruit tree also belongs to the cactus family of plants, the body also has thorns, and the cactus is more similar to just. Its original name is Red Dragon Fruit, Green Dragon Fruit, and it is native to the Central American region. The origin of cactus is in Brazil, Mexico and some other desert areas of Central America, is a tropical plant.

Distribution of dragon fruit in Central America to the northern part of South America, widely cultivated around the world, by the aerial roots climbing on the trunk, rock or wall, 3-300 meters above sea level. The branch cuttings are easy to survive, often used as grafting crabapple genus, the genus and a variety of cactus stick rootstock, flowers can be used as a vegetable, edible berries, the trade name "dragon fruit". p>Buying dragon fruit should feel with your hands and choose the heavier the better. This is because the greater the density of dragon fruit, representing juicy, plump flesh. Dragon fruit can be divided into three categories: white dragon fruit purple red skin white flesh, there are tiny black seeds distributed in them, fresh food quality is average; red dragon fruit red skin red flesh, fresh food quality is better; yellow dragon fruit yellow skin white flesh, fresh food quality is the best. Basically, red flesh is more round, white flesh is more oval, red flesh is more delicious than white flesh! However, Hong Kong and other major cities have a small number of yellow meat dragon fruit sales, more delicious than red meat, more expensive. Occasionally, you can also see the yellow skin and white flesh of the bird's nest dragon fruit, naturally expensive.