Cobaea scandens Cav.

Flower of the green form of Cathedral Bells or Cub and Saucer Vine. Near Bogota, Colombia.

Widely spread in the Neotropics under names such as Cup and Saucer Vine and Cathedral Bells. Photo from KEW Gardens, London.

Curtis's botanical magazine..London ;New York [etc.] :Academic Press [etc.].biodiversitylibrary.org/page/471883

La Calera, Cundinamarca, Colombia