Platycodon grandiflorus is
a perennial herb found in sunny grasslands in hilly districts; the
stems grow to 0.5-1m in height, with 4-7cm-in-length oblong-ovate
leaves with alternate phyllotaxis. A few blue-purple flowers come on
a shoot apex in July-September. Ministry of the Environment
designates this species as a VU, and Shimane Red Data Book lists it
as a CR+EN. Bloom time: July-September.