Platycodon

Platycodon grandiflorus (from Ancient Greek πλατύς (platús), meaning "flat", and κώδων (kódon) meaning "bell") is a species of herbaceous flowering perennial plant of the familyCampanulaceae, and the only member of the genusPlatycodon. It is native to East Asia (China, Korea, Japan, and the Russian Far East). It is commonly known as balloon flower (referring to the balloon-shaped flower buds), Chinese bellflower, or platycodon.