| Family | Orchidaceae |
| Subfamily | Orchidoideae |
| Tribe | Orchideae |
| Subtribe | Orchidinae |
| Scientific name | Platanthera florentii Franchet & Savatier |
| Synonyms | none |
| Common name | (Japanese common name) jin-bai-sou (ジンバイソウ, 銀蝿草 [meaning: silver fly weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) none | |
| Habitat | Wet forest |
| Chromosomal number | 2n=42 |
| Description | Plants 20-40cm tall. Leaves 2, 5-12cm long, 3-6cm wide. Flowers green, side sepals 5-6mm long, lip 7-10mm long, spurs 15-20mm long, flowering in August to September. Terrestrial. Perennial plants. |
| Reference | Platanthera florentii Franch. & Sav. |
| Note | Native to Japan. Rare species. |
| June 2010 at a private green house |
June 2010 at a private green house |