Eria japonica Maxim. 1887 SECTION AeridostachyaPhoto by © Natsui
Another Flower Photo courtesy of Dale and Deni Borders

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Common Name The Japanese Eria - In Japan - osa-ran [reed orchid] - In China Gao Shan Ge Lan
Flower Size .4 to .6" [1 to 1.5 cm]
Found from Japan and Taiwan on rocks or tree trunks in forests at elevations around 700 to 900 meters as a miniature sized, cool to cold growing epiphyte or lithophyte with clustered, long-ovoid pseudobulbs carrying 2 apical, long-elliptic to linear, acute to acuminate leaves and blooms on a terminal, brown wooly, 2.4" [6 cm] long, racemose, slender, few flowered inflorescence arising with ovate-cymbiform, shorter than the ovary floral bracts all arising on a new growth occuring in the spring.
Often cited as a synonym of E reptans but that name is invalid because of it's basionym Dendrobium reptans Franch. & Sav. 1879 was used first in 1805 by Swartz for a plant that is now called Bulbophyllum nutans
Synonyms Aeridostachya reptans (Kuntze) Rauschert 1983; Callista reptans (Ridl.) Kuntze 1891; *Dendrobium reptans Franch. & Sav. 1879; Eria arisanensis Hayata 1914; Eria hosokawae A.D.Hawkes & A.H.Heller 1957; Eria reptans (Franch. & Sav.) Makino 1905; Eria reptans (Franch. & Sav.) Schltr. 1919; Eria reptans var. matsudae (Hayata) S.S.Ying 1977 ;
References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Southern Ryukyu Islands Garay & Sweet 1974 drawing fide as E reptans; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 as E reptans photo fide; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo fide; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009 as Conchidium japonicum; Flora of China Illustrations Vol 25 Zhengyi, Raven & Deyuan 2010 as Conchidium japonicum drawing fide;
I have left the next one with it's old name as there are no varieties listed under E japonica
Eria reptans (Franch. & Sav.) Makino 1905 var matsudai
Found in Taiwan as a cool to warm growing epiphyte that blooms in the winter and spring
Synonyms Eria matsudai Hayata 1920
References W3 Tropicos, Kew Monocot list , IPNI ;
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