| Family | Orchidaceae | 
| Subamily | Epidendroideae | 
| Tribe | Calypsoeae | 
| Scientific name | Ephippianthus schmidtii Reichenbach f. | 
| Synonyms | Ephippianthus sachalinensis Reichenbach f. | 
| Common name | (Japanese common name) ko-ichiyou-ran (コイチヨウラン, 小一葉蘭 [meaning: small single leaf orchid]) | 
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu (north of Kinki region), Shikoku | 
| (Other nations) Russia (Far East) | |
| Habitat | Subalpine needleleaf tree forest | 
| Chromosomal number | unknown | 
| Description | Leaves single 1.5-4cm long, 1-2.5cm wide, petioles ca. 1-2cm long. Scapes electing 10-20cm tall. Flowers 2-7 at top, pale green calyx lobes 5-6mm long, 1.5-2mm wide, petals shorter than calyx lobes, marginal round, flowering in July to August. Terrestrial. Perennial plants. | 
| Reference | Ephippianthus schmidtii Rchb. f. | 
| Note | Rare species. | 
| Ephippianthus sawadanus (F. Maekawa) Ohwi (syn. Hakoneaste sawadana F. Maekawa) is a similar species and occurs in Honshu (Hakone, Mt. Fuji, Chichibu region, Kii Peninslar). marginal of labium has tiny tooth, purple soptted in center. | 
| July 2009 at Mt. Fuji  | 
      July 2009 at Mt. Fuji  | 
    
| July 2009 at Mt. Fuji  | 
      July 2009 at Mt. Fuji  | 
    
| Photo by Madame Popow | Photo by Madame Popow | 
| August 2008 at mountane forest  | 
      August 2008 at mountane forest  |