Canterbury Bell, also known as Campanula medium, is a tall plant that produces bell-shaped flowers. Some synonyms for Canterbury Bell include Cup and Saucer plant, giant bellflower, and bellflower. The Cup and Saucer plant nickname comes from the unique shape of the flower, resembling a cup and saucer. The flower also goes by giant bellflower due to its large size and bellflower as a nod to its distinctive shape. Other synonyms include bluebells, harebells, and foxglove bellflower. These nicknames are due to the flower's resemblance to common wildflowers in Europe and the bell-shaped appearance resembling that of the foxglove flower.