| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Tropidieae |
| Scientific name | Tropidia nipponica Masamune |
| Synonyms | Tropidia angulosa (Lindley) Blume var. nipponica (Masamune) S. S. Ying |
| Common name | (Japanese common name) yakushima-nettai-ran (ヤクシマネッタイラン, 屋久島熱帯蘭 [meaning: Yakushima Island tropical orchid]) |
| (Chinese common name) zhu jing lan (竹茎蘭) | |
| (English common name) none | |
| Distribution | (Japan) Shikoku, Kyushu, Okinawa |
| (Other nations) Taiwan | |
| Habitat | Evergreen tree forest |
| Chromosomal number | unknown |
| Description | Plants ca. 10-30cm tall. Leaves 5-10cm long, 1.5-3cm wide. Inflorescence 3-6cm long. Flowers 2-10, white, lip 5mm long, flowerting in May to July. Terrestrial. Perennial plants. |
| Reference | Tropidia nipponica Masamune |
| Tropidia nipponica Masam. | |
| Tropidia nipponica Masam.1929 | |
| Tropidia nipponica Masam. | |
| Note | Photos below are those of an orchids which was cultivated by Mr. Masakuni Odakura and displayed at a lecture in Meiji University, Tokyo. |
| June 2011 at Meiji University |
June 2011 at Meiji University |
June 2011 at Meiji University |