Dragon fruit and cactus they both belong to the cactus family, though that's why they look so much alike.

The dragon fruit is grown on the dragon fruit tree, the dragon fruit tree belongs to the cactus family, so the dragon fruit tree also has thorns. Dragon fruit nutritious, unique function, it contains general plant rare plant albumin and anthocyanin, rich in vitamins and water-soluble dietary fiber, so we can find out, such a food is actually a big difference, so we can be based on such a method to help ourselves better health care, we can not be less.

The cactus in order to adapt to the desert water shortage climate, the leaves evolved into a short small spines to reduce water evaporation, can also be used as a weapon to prevent animals from swallowing; and after a long time of growth, it will also bear fruit, but this fruit is not dragon fruit. The seeds of the cactus fruit are harder than those of the dragon fruit, and the flavor of the fruit is also different. Just because they are both close relatives of the same cactus family, so dragon fruit tree looks like a cactus is not surprising at all.

Not only can you eat dragon fruit, in fact, cactus fruit is also completely edible, cactus fruit can not only eat, but also very strong effect.

Cactus fruit contains vitamin B2 and soluble fiber, the human body essential 8 kinds of amino acids and a variety of trace elements, is one of the highest content of vegetables.

It also contains on the human body has the effect of clearing heat and detoxification, stomach and spleen, skin care. It also has a therapeutic effect on diabetes, bronchitis, liver cancer and other diseases. In addition, cactus high potassium, low sodium, low sugar, sugar content is lower than lettuce and cucumber, so we can find that such a food to eat the benefits of great, is very suitable for all of us to go to eat.

The dragon fruit (scientific name: Hylocereus undatus 'Foo-Lon') is a cultivar of the cactus family, the genus Measurement of Heavenly Ruler Measurement of Heavenly Ruler, 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 funnelform, opening at night; scales ovate-lanceolate to lanceolate, calyx tepals yellowish-green, linear to linear-lanceolate, petaloids 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.

Widely cultivated worldwide from Central America to N South America, climbing by aerial roots on tree trunks, rocks, or walls, 3-300 m above sea level.

The branch cuttings of this species are easy to survive, often used for grafting the genus Crabapple, the genus Cactus stick and a variety of cactus rootstock, flowers can be used as a vegetable, berries can be eaten, the commercial name of the "dragon fruit".