Campanula medium 'Calycanthema'

Flowers large. Calyx lobes petal-like, divided or united, saucer-like at the base of the flower.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Asterales
family       Campanulaceae
genus        Campanula Juss.
species         Campanula medium L.