The Probert Encyclopaedia of Nature

CAMPANULA

Campanula is the bellflower genus of plants of the family Campanulaceae. The species are herbaceous plants, with bell-shaped flowers usually of a blue or white colour. Nine species are indigenous to Britain, of which the most common and best known are the Campanula rotundifolia, blue-bell of Scotland or harebell, a native also of Asia and North America, and the Campanula medium, or Canterbury-bell, a well-known garden flower with double and single varieties.
Research Campanula