| Family | Orchidaceae |
| Subamily | Epidendroideae |
| Tribe | Gastrodieae |
| Subtribe | Gastrodiinae |
| Scientific name | Gastrodia nipponica (Honda) Tuyama |
| Synonyms | Didymoplexis nipponica Honda; Gastrodia foetida Koidzumi |
| Common name | (Japanese common name) haruzaki-yatsushiro-ran (ハルザキヤツシロラン, 春咲八代蘭 [meaning: Spring flowering Yatsushiro City orchid]), fuyuzaki-yatsushiro-ran (フユザキヤツシロラン, 冬咲八代蘭 [meaning: Winter flowering Yatsushiro City orchid]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Mie Prefecture, Wakayama Prefecture), Shikoku, Kyushu (Ohita Prefecture, Miyazaki Prefecture, Kagoshima Prefecture), Okinawa |
| (Other nations) Indonesia (Java) | |
| Habitat | Mountane wet evergreen forest. |
| Chromosomal number | unknown |
| Description | Stems 3-4cm long (over 30cm long after flowering). Leaves none. flowers dark brown side petals ca. 3mm long, lip ca. 9mm long, flowering in May to June. Terrestrial. Mycorrhizae plants |
| Reference | Gastrodia nipponica (Honda) Tuyama |
| Note | Rare species. |
| photo by Mr. hana-pon | photo by Mr. hana-pon |
| May 2009 at forest in Mie Prefecture |
May 2009 at forest in Mie Prefecture |
| photo by Mr. hana-pon |
| (fruits) |
| May 2008 at forest in Mie Prefecture |