The rarest fruit in the world is Synsepalum dulcificum also called the Miracle Fruit.
Synsepalum dulcificum or the Miracle Fruit is native to West Africa and is also known for it's unique property of altering of taste perception, which makes sour foods taste sweet.
Although the Miracle Fruit is consumed by indigenous tribes, it also gained international attention for the taste altering effect.
The Miracle Fruit is not widely cultivated outside of West Africa, making it rare in other regions.
The Miracle Fruit is primarly used for it's ability to modify taste and not just a stape food.
Miracle Fruits also are sometimes used in the creation of sugar free or even low sugar products.
Other rare fruits are Ackee, Rambutan, Jabuticaba, Yubari King Melon, Rollinia, Marang, Snake Fruit, Blackberry Jam Fruit, Bambangan and Akebi.
Akebi fruit is only available for a short period of time in Japan and has an exterior that is often cooked or fried.
Bambangan is a savory mango from Borneo.
Blackberry Jam Fruit contains a sweet and black spread inside of a hard, yellow shell.
Snake Fruit or Salak has a scaly, snake like skin and sweet tangy flavor.
Marang is a Fillipino fruit that has a strong odor and taste that is reminiscent of jackfruit, pears and pineapples.
Rollinia is a spiky yellow fruit that has a lemon meringue like flavor from Brazil.
Yubari King Melon is a Japanese melon that is highly prized and can be extremely expensive.
Jabuticaba is a Brazilian fruit that grows directly on the trunk and branches off the tree.
Rambutan is found in Southeast Asia, and has a hairy exterior and is known for it's juicy lychee like flavor.
And Ackee is native to West Africa and has a peculiar look and is also considered rare.