Dendrobium rhodostele Ridl.1893 SECTION Aporum
Photo by Seidenfaden
Photo by Cloud Jungle Epiphyte's Website
Common Name The Purple Column Dendrobium
Flower Size .2" [5mm]
Found in Thailand, Malaysia, Sumatra and Borneo in hill forests at elevations around 600 meters as a small to medium sized, warm growing epiphyte with clustered, usually simple, occasionally branching, pendent, laterally compressed below, distal potion leafless stems carrying imbricate, triangular, apex incurved, sharply acute, rigid, flattened leaves that blooms on a lateral, very short, mostly arising from the chaffy bracts along the leafless portion of the stem, successively single, few flowered inflorescence.
Often confused with D rosellum but it is actually closer to D reflexitepalum. Although closely allied to D aloifolium and D reflexitepalum this specis has slightly alrger flowers in which the dorsal sepal and petals are erect or curve forward instead of being reflexed as well as the center of the lip is distinctly rugose-papillose.
Synonyms Aporum rhodostele (Ridl.) Rauschert 1983
References W3 Tropicos, Kew Monocot list , IPNI ; Materials For a Flora of the Malayan Penninsula Part 1 Ridley 1907; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910; Flora of Malaya Vol 1 Holttum 1953 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1960; Opera Botanica #83 Orchid Genera in Thailand XII Dendrobium Sw. Seidenfaden 1985 drawing/photo fide; The Orchids of Penninsular Malaysia and Singapore Wood & Seidenfaden 1992 drawing/photo fide; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Orchid Species Culture Dendrobium Bakers 1996; Orchids of Sumatra Comber 2001; Orchids of Sarawak Beaman, Wood, Beaman & Beaman 2001; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo good; Malesian Orchid Journal Vol 6 2010; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide; Dendrobium of Borneo Wood 2014 photo/drawing fide
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