Robuta

https://www.huntington.org/collections/bot-66337 Codonopsis lanceolata | Collections | The Huntington codonopsis lanceolata collections huntington https://www.rhs.org.uk/plants/4085/codonopsis-lanceolata/details Codonopsis lanceolata | narrow-leaved bonnet bellflower /RHS codonopsis lanceolata bonnet bellflower narrow rhs