| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Neottieae |
| Subtribe | Limodorinae |
| Scientific name | Cephalanthera longibracteata Blume |
| Synonyms | Cephalanthera ensifolia (Willdenow) L. C. Richard var. longibracteata Miquel; Epipactis longibracteata (Blume) Wettstein |
| Common name | (Japanese common name) sasaba-gin-ran (ササバギンラン, 笹葉銀蘭 [meaning: bamboo leaved silver orchid]) |
| (English common name) sword leaved helleborine | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Russia (Far East), Korea, China | |
| Habitat | Deciduous tree forest |
| Chromosomal number | 2n=32, 34, 36 |
| Description | Plants 30-50cm tall. Leaves 5-15cm long, 1.5-4cm wide. Bracts linear. Flowers white sepals ca. 11-12mm long, flowering in April to June. Terrestrial. Perennial plants. |
| May 2008 at Tsukuba Botanical Garden |
May 2008 at Tsukuba Botanical Garden |
| May 2007 at hillock forest |
May 2008 at Tsukuba Botanical Garden |