| Family | Campanulaceae |
| Subfamily | Lobelioideae |
| Scientific name | Lobelia sessilifolia Lambert, non Willdenow ex Schultes |
| Synonyms | Lobelia camtschatica Pallas ex Roemer & Schultes; Lobelia salicifolia Fischer ex Trautvetter, non Sweet; Lobelia saligna Fischer; Rapuntium kamtschaticum C. Presl |
| Common name | (Japanese common name) sawa-gikyo (サワギキョウ, 沢桔梗 [meaning: swamp lobelia]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Russia, Korea, China, Taiwan | |
| Habitat | Mountane swamp |
| Chromosomal number | 2n=28 |
| Description | Plants 50-100cm tall. Leaves 4-7cm long, 5-15mm wide. Flowers blue 4-5cm across, 5 stamens, flowering in August to September. Fruits 0.5-5mm long, seeds ca. 2mm long. Perennial plants. |
| Reference | Lobelia sessilifolia Lamb. |
| Cosmetic composition containing polyorganosiloxane-containing epsilon-polylysine polymer, and polyhydric alcohol, and production thereof (European Patent EP1604647/2008) |
| September 2006 at high marsh |
September 2006 at high marsh |
September 2006 at high marsh |
| August 2008 at Nikko Botanical garden |
August 2008 at Nikko Botanical garden |
August 2008 at Nikko Botanical garden |