The Campanula and another plant did not come from the same family genus. Dierama pendulum was once placed in the genus of this other plant.
Sparaxis (harlequin flower) is a genus in the family Iridaceae with about 13 species endemic to Cape Province, South Africa. 
Campanula is one of several genera in the family Campanulaceae with the common name bellflower. 
 Before that the plant had been placed in various genera including "Ixia", "Sparaxis" and "Watsonia". 
