Platycodon grandiflorus (from Greek "πλατυκώδων", meaning a broad bell) is a species of herbaceous flowering perennial plant of the family Campanulaceae, and the only member of the genus Platycodon. It is native to East Asia (China, Korea, Japan and East Siberia). This species is known as platycodon. Depending upon the region, it is also referred to as the Korean bellflower, Chinese bellflower, Japanese bellflower, common balloon flower, or balloon flower (referring to the balloon-shaped flower buds).