| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Cymbidieae |
| Subtribe | Cymbidiinae |
| Scientific name | Cymbidium macrorhizon Lindley |
| Synonyms | Aphyllorchis aberrans (Finet) Schlechter; Bletia nipponica Franchet & Savatier; Cymbidium aphyllum Ames & Schlechter; Cymbidium nipponicum (Franchet & Savatier) Makino; Cymbidium nipponicum (Franchet & Savatier) Rolfe; Cymbidium pedicellatum Finet; Cymbidium szechuanensis S. Y. Hu; Pachyrhizanthe aberrans (Finet) Nakai; Pachyrhizanthe aphylla Nakai; Pachyrhizanthe macrorhizos (Lindley) Nakai; Pachyrhizanthe nipponica (Franchet & Savatier) Nakai; Pachyrhizanthe nipponicum (Franchet & Savatier) Nakai |
| Common name | (Japanese common name) maya-ran (マヤラン, 摩耶蘭 [meaning: Mt. Maya orchid]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu |
| (Other nations) Korea, China; Vietnam, Laos, Thailand, Myanmar, Nepal, India, Pakistan | |
| Habitat | Wet forest |
| Chromosomal number | 2n=38 |
| Description | Scapes electing 15-20cm tall. None leaf. Flowers 2-5, white or pale green with red spotted sepals ca. 2cm long, 3-4mm wide, lips ca. 15mm long, flowering in July to August (and sometimes in September too). Terrestrial. Saprophytes. |
| Reference | Cymbidium macrorhizon Lindl. |
| Cymbidium macrorhizon Lindl. | |
| Mycoheterotrophy evolved from mixotrophic ancestors: evidence in Cymbidium (Orchidaceae) | |
| Systematic and comparative anatomy of Cymbidieae (Orchidaceae) | |
| Remarkable habitat differentiation and character evolution in Cymbidium -7 Mycorrhizal assosiation in Cymbidium macrorhizon complex | |
| Cytogenetics and cytotaxonomy of some Brazilian species of Cymbidioid orchids |
| July 2009 at the Inperial Palace |
July 2009 at the Inperial Palace |
July 2009 at the Inperial Palace |
| July 2009 at the Inperial Palace |
| July 2008 at lowland forest |
July 2008 at lowland forest |
July 2008 at lowland forest |
| July 2011 at Inogashira Garden |
July 2011 at Inogashira Garden |
July 2010 at Inogashira Garden |