| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Cymbidieae |
| Subtribe | Cymbidiinae |
| Scientific name | Cymbidium dayanum Reichenbach f. |
| Synonyms | Cymbidium acutum Ridley; Cymbidium alborubens Makino; Cymbidium angustifolium Ames & C. Schweinfurth; Cymbidium dayanum Reichenbach f. subsp. leachianum (Rchb. f.) S. S. Ying; Cymbidium dayanum Reichenbach f. var. albiflorum S. S. Ying; Cymbidium dayanum Reichenbach f. var. austrojaponicum Tuyama; Cymbidium dayanum Reichenbach f. var. leachianum (Reichenbach f.) S. S. Ying; Cymbidium eburneum Lindley var. austrojaponicum (Tuyama) M. Hiroe; Cymbidium eburneum Lindley var. dayanum Hooker f.; Cymbidium leachianum Reichenbach f.; Cymbidium poilanei Gagnepain; Cymbidium pulcherrimum Sander; Cymbidium simonsianum King & Pantling; Cymbidium sutepense Rolfe ex Downie |
| Common name | (Japanese common name) hetsuka-ran (ヘツカラン, 辺塚蘭 [meaning: Hetsuka orchid (Hetsuka = a local area name in Kagoshima prefecture)]) |
| (English common name) Day's Cymbidium | |
| Distribution | (Japan) Kyushu (Kagoshima prefecture), Okinawa |
| (Other nations) Southern China, Taiwan, Philippines, Vietnam, Malaysia, Indonesia (Sumatra and the Celebes), India | |
| Chromosomal number | unknown |
| Description | Leaves 30-50cm long, 10-13mm wide. Flowers sepals 3-3.2cm long, flowering in October to November. Epiphytic. Perennial plants. |
| Reference | Cymbidium dayanum Rchb.f. 1869 |
| Cymbidium dayanum Rchb. f. | |
| Note | Photos at lower line are those of an orchid which was cultivated by Madame Akemi Hashimoto and displayed in the Orchid Show 2006 at Tsukuba Botanical Garden. |
| October 2006 at Tsukuba Botanical Garden |
December 2005 at Koishikawa Botanical Garden |
October 2006 at Tsukuba Botanical Garden |
| October 2006 at Tsukuba Botanical Garden |
October 2006 at Tsukuba Botanical Garden |