Chelidonium majus subsp. grandiflorum, commonly known as greater celandine, is a plant in the family Papaveraceae, native to Siberia, China, and Korea. The vernacular name celandine derives from Late Latin celidonia, from earlier Latin chelidonia or chelidonium, and ultimately from Ancient Greek chelidon (“swallow”); hence the common name swallowwort. In the grandiflorum subspecies, the flowers are larger than in the nominate subspecies, which reflects the meaning of the epithet grandiflorum (“large‑flowered”). Historically, the plant has been applied in folk medicine as a topical remedy for warts.
