The French call the medlar tree, cul de chien (translation: dog’s arse). Shakespeare called their fruits “open-arse”. She decided to turn the fruit into medlar cheese and jelly without using any jam sugar or liquid pectin. Mespilus germanica, known as the medlar or common medlar, is a large shrub or small tree, and the name of the fruit of this tree. The fruit has been cultivated Description and ecology · Cultivation and uses · In literature. When so many fruit trees offer an abundance of pink and white blossom in spring, it's striking to find one that doesn't. The medlar tree (Mespilus.