Genus Mespilus is a type of fruit tree that belongs to the Rosaceae family. The fruit of Mespilus is commonly known as a medlar. There are several synonyms for the genus Mespilus including Crataemespilus, Mespiloides, and Photiniastrum. The genus is native to the Middle East and Southeast Europe, and it bears fruit that is edible when overripe. In addition to being a source of food, the tree also has medicinal properties. The leaves and bark of Mespilus have been used in traditional medicine as an astringent and antiseptic. Synonyms for the genus Mespilus are used interchangeably in scientific literature, but they all refer to the same tree or shrub.