| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Vandeae |
| Subtribe | Aeridinae |
| Scientific name | Gastrochilus japonicus (Makino) Schlechter |
| Synonyms | Gastrochilus dasypogon auct., non (J. E. Smith) Kuntze: S. S. Ying; Gastrochilus holttumianus S. Y. Hu & Barretto; Saccolabium japonicum Makino; Saccolabium taiwanianum sensu S. S. Ying (1977), non (Hayata) Tang & F. T. Wang |
| Common name | (Japanese common name) kasi-no-ki ran (カシノキラン, 樫木蘭 [meaning: oak tree orchid]) |
| (Chinese common name) huang song pen ju lan (黄松盆距兰) | |
| (English common name) yellow pine orchid | |
| Distribution | (Japan) Honshu (west of Chiba Prefecture), Shikoku, Kyushu, Okinawa |
| (Other nations) China (Hong Kong), Taiwan | |
| Habitat | Evergreen tree forest |
| Chromosomal number | 2n=30, 38, 40 |
| Description | Stem 1-4cm long. Leaves 5-15, 3-6cm long, 6-15mm wide. Flowers pale green or yellow side sepals ca. 4mm, flowering in July to August. Growing epiphyte on trunk of trees. Perennial plants. |
| Reference | Gastrochilus japonicus (Makino) Schltr. |
| Gastrochilus japonicus (Makino) Schlechter | |
| Gastrochilus japonicus (Makino) Schltr. | |
| Gastrochilus japonicus (Makino) Schltr. 1913 |
| May 2009 at my home |
December 2011 at my home |
December 2011 at my home |
| December 2011 at my home |
| left: Gastrochilus somae right: Gastrochilus japonicus |
| December 2011 at my home |