Siberian crab is a species of crab apple that is native to various regions in Asia. This fruit is known for its sour and sweet taste and is often used in making pies, jellies, and jams. A few synonyms for the Siberian crab include the wild apple, the Manchurian apple, and the Chinese crab apple. The term "crab" in crab apple refers to the tree's gnarled branches and the sour flavor of the fruit. Other types of crab apples include the Dolgo, the Whitney, and the Transcendent. These apples are often cultivated for their ornamental value rather than their culinary use.