Oreorchis patens (Lindl.) Lindl. 1859

Inflorescence and Leaves

In situ Plants

Photos courtesy of Natsui from Japan and his Japan Orchids Page

Common Name The Free Oreorchis - In Japan - Ko-kei-ran [small kei-ran (kei-ran = Chinese name of Cymbidium orchids in Japanese pronunciation)], - In China Shan Lan

Flower Size .8" [2 cm]

Found in far eastern Russia, Japan, Korea, Northern China and Taiwan on forest margins, thickets and on grassy slopes along ravines at elevations of 1000 to 3000 meters as a medium sized, cold growing terrestrial with conic-ovoid pseudobulbs carrying 2, apical, plicate, linear-lanceolate to linear, apically acuminate, gradually narrowing below into the petiolate base leaves that blooms in the spring on an erect, 12" [30 cm] long, several to many flowered inflorescence

Synonyms *Corallorhiza patens Lindl. 1840; Diplolabellum confluens (Hand.-Mazz.) Garay & W.Kittr. 1985 publ. 1986; Oreorchis gracilis Franch. & Sav. 1877; Oreorchis gracilis var. gracillima Hayata 1912; Oreorchis gracillima (Hayata) Schltr. 1919; Oreorchis lancifolia A.Gray 1859; Oreorchis patens subsp. coreana (Finet) Y.N.Lee 1996; Oreorchis patens var. confluens Hand.-Mazz. 1936; Oreorchis patens var. gracillima (Hayata) S.S.Ying 1988; Oreorchis setschuanica Ames & Schltr. 1919; Oreorchis yunnanensis Schltr. 1921

References W3 Tropicos, Kew Monocot list , IPNI ; Icones plantarum formosanarum nec non et contributiones ad floram formosana Hayata 1912 as O gracilis; Rudolf Schlechter Die Orchideen Band 1B lieferung 25 1520 - 1584 Brieger 1991 as Oreorchis coreana; Rudolf Schlechter Die Orchideen Band 1B lieferung 25 1520 - 1584 Brieger 1991; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; Native Orchids From Gaoligongshan Mountains, China Xiaohua, Xiaodong and Xiaochun 2009 photo fide; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo ok; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; LANKESTERIANA 15(1): 750. Jeewan Singh Jalal & J. Jayanthi 2015

Oreorchis patens subsp. coreana (Finet) Y.N.Lee 1996