What fruit grows on a tree and looks like blueberries?

The fruit that grows on a tree and resembles blueberries is the huckleberry. Huckleberries are small, round, and typically blue or purple in color, much like blueberries. They grow on shrubs rather than tall trees, but some species can reach tree-like heights. These fruits are sweet and often used in jams, pies, and other desserts.