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| July 2009 at Mt. Fuji |
| Family | Orchidaceae |
| Subamily | Epidendroideae |
| Tribe | Calypsoeae |
| Scientific name | Dactylostalix ringens Reichenbach f. |
| Synonyms | Calypso japonica Maximovicz ex Komarov; Dactylostalix maculosa Miyabe & Kudô |
| Common name | (Japanese common name) ichiyou-ran (イチヨウラン, 一葉蘭 [meaning: single leaf orchid]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku |
| (Other nations) none | |
| Habitat | Alpine needleleaf tree forest |
| Chromosomal number | unknown |
| Description | Leaves single 3-6cm long, 2.5-4cm wide. Scapes electing 10-20cm tall. Flowers single at top, pale green calyx lobes and petals ca. 2cm long, labium divided into 3 parts, side 2-3mm long, center 7-10mm long, flowering in May to June. Fruits ca. 2cm long. Terrestrial. Perennial plants. |
| Reference | Dactylostalix ringens Rchb. f. |
| Dactylostalix ringens Rchb.f. 1878 | |
| Note | Endemic to Japan. |
| Rare species. |
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| July 2009 at Mt. Fuji |
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| April 2009 at my home |
April 2009 at my home |
April 2009 at my home |
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| March 2009 at my home |
March 2009 at my home |
