| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Neottieae |
| Subtribe | Listerinae (also placed in Neottinae) |
| Scientific name | Listera cordata (L.) R. Brown |
| Synonyms | Bifolium cordatum (L.) Nieuwland; Cymbidium cordatum (L.) Londes; Diphryllum cordatum (L.) Kuntze; Distomaea cordata (L.) Spenner; Epipactis cordata (L.) Allioni; Helleborine cordata (L.) F. W. Schmidt; Listera cordata (L.) R. Brown subsp. japonica (H. Hara) F. Maekawa; Listera cordata (L.) R. Brown var. japonica H. Hara; Neottia cordata (L.) Richard; Ophrys cordata L.; Pollinirhiza cordata (L.) Dulac; Serapias cordata (L.) Steudel |
| Common name | (Japanese common name) futaba-ran (フタバラン, 二葉蘭 [meaning: twin-leave orchid]), ko-futaba-ran (コフタバラン, 小二葉蘭 [meaning: tiny twin-leave orchid]) |
| (English common name) heart-leaved twayblade | |
| Distribution | (Japan) Hokkaido, Honshu (north of Central region), Shikoku |
| (Other nations) Russia, Turkey, Europe, Canada, USA, Greenland | |
| Habitat | Alpine or subalpine needleleaf tree forest |
| Chromosomal number | 2n=38, 42 |
| Description | Stems 10-20cm tall. Leaves 0.8-2cm long, 1-2.5cm wide. Flowers pale purple or green, sepals 2-2.5cm long, lips ca. 3-3.5mm long, flowerting in June to August. Seeds 3-4mm long. Terrestrial. Saprophytes. |
| Reference | Listera cordata (L.) R. Br. |
| Listera cordata (Linnaeus) R. Brown | |
| Neottia cordata (L.) Rich. | |
| Listera cordata (L.) R. Br. |
| July 2009 at Mt. Fuji |
July 2009 at Mt. Fuji |
July 2009 at Mt. Fuji |
| July 2009 at Mt. Fuji |
July 2009 at Mt. Fuji |
July 2009 at Mt. Fuji |
| July 2009 at Mt. Fuji |