Calanthe rubens Ridl. 1890 SUBGENUS Preptanthe Photo courtesy of Kjell Nilsson

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Common Name The Reddish Calanthe

Flower Size 1 1/4" [3 cm]

Found in Vietnam, Thailand, penninsular Malaysia Borneo and the Philippines at elevations sea level to 1800 meters as a medium to just large sized, hot to cool growing terrestrial with 4 angled, flask shaped pseudobulbs that are constricted towards the apex carrying deciduous plicate leaves and the orchid blooms in the fall through winter on a few, erect, basal, peduncle to 20" [50 cm] long, pubescent, rachis lengthening with time several [12] flowered inflorescence on mature leafless pseudobulbs.

Synonyms Alismorkis rubens (Ridl.) Kuntze 1891; Calanthe elmeri Ames 1908; Calanthe vestita var. fournieri Rolfe 1892; Coelogyne rubens Ridl. 1890; Preptanthe rubens Ridl. 1924

References W3 Tropicos, Kew Monocot list , IPNI ; Flora of Malaya Vol 1 Holttum 1957 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1959 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; Dansk Botanisk Arkiv Orchid Genera in Thailand I Calanthe Seidenfadden 1975 drawing/photo fide; Manual of Cultivated Orchids Bechtel; Cribb & Laurent 1982; The Orchids of Penninsular Malaysia and Singapore Wood & Seidenfaden 1992 drawing/photo fide; Thai Orchid Species Rakpaibulsombat 1992 photo good; Manual of Orchids Stewart 1995; A to Z of SE Asian Orchids O'Byrne 2001 photo fide; A Field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; Orchids of the Philippines Cootes 2001 photo maybe; Botanica's Orchids Laurel Glen 2002; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; Wild Orchids in Myanamar Vol 2 Tanaka 2004; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo good; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide; The Genus Calanthe Clayton & Cribb 2013 photo fide

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