Oreorchis patens




Family Orchidaceae
Subfamily Epidendroideae
Tribe Calypsoeae
Scientific name Oreorchis patens (Lindley) Lindley
Synonyms Corallorhiza patens Lindley; Oreorchis gracilis Franchet & Savatier; Oreorchis gracilis Franchet & Savatier var. gracillima Hayata; Oreorchis gracillima (Hayata) Schlechter; Oreorchis lancifolia A. Gray; Oreorchis patens (Lindley) Lindley var. confluens Handel-Mazzetti; Oreorchis patens (Lindley) Lindley var. gracillima (Hayata) S.S.Ying; Oreorchis setschuanica Ames & Schlechter; Oreorchis yunnanensis Schlechter
Common name (Japanese common name) ko-kei-ran (コケイラン, 小蕙蘭 [meaning: small kei-ran (kei-ran = Chinese name of Cymbidium orchids in Japanese pronunciation)]),
(English common name) none
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu
(Other Nations) Russia, Korea, China, Taiwan
Habitat Mountane wet forest
Chromosomal number 2n=48, 50
Description Leaves 1 or 2, 20-40cm long, 7-30mm wide. Scapes electing 30-50cm tall. Flowers inflorescences 10-20cm long, yellow sepals each ca. 1cm long, flowering in May to June. Terrestrial. Perennial plants.
Reference Oreorchis patens (Lindl.) Lindl.
Oreorchis bilamellata Fukuy.



June 2008
at Eniwa City
June 2008
at Eniwa City
June 2008
at Eniwa City



May 2006
at my home
May 2006
at my home
May 2006
at my home



May 2006
at Yukiguni Botanical Garden
May 2006
at Yukiguni Botanical Garden
May 2006
at Yukiguni Botanical Garden