Dendrobium cruentum Rchb.f 1884 SECTION Formosae
Photos by Jay Pfahl
To 
In Singapore 
Common Name The Blood Red Dendrobium - In Thailand - Ueang nok kaeo
Flower Size 1 1/2 to 2 1/2" [3.75 to 6.25 cm]
Found in Myanmar, Thailand and Vietnam as a small to medium sized, hot to warm growing, epiphytic species from elevations below 1000 meters in open forests where it is found on smaller trees. The plant has erect pseudobulbs that are swollen basally and has leaf sheaths with black hairs carrying many, deciduous, elliptic-oblong, leathery leaves that are hairy on the underside and are spaced all along the stem. The bloom season is in the spring through fall on an axillary, short, 1 to 2 flowered, inflorescence with faintly fragrant, longlasting flowers that arise from the nodes on the stem in between leaves at the upper apex of the leafed pseudobulb, and needs a definite rest from water and fertilizer in the winter months.
Synonyms Callista cruenta (Rchb. f.) Kuntze 1891
References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Burma Grant 1895/1995; Materials For a Flora of the Malayan Penninsula Part 1 Ridley 1907; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Flora of Malaya Vol 1 Orchids Holttum 1953; The Orchids of Thailand Seidenfaden & Smitinand 1960 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 36 #10 1967 photo fide; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; AOS Bulletin Vol48 # 3 1979 photo fide; Orchids of Asia Soon 1980 photo fide; Orchidiana Philipiniana Vol 1 Valmayor 1984; AOS Bulletin Vol 54 No 8 1985 photo; Opera Botanica #83 Orchid Genera in Thailand XII Dendrobium Sw. Seidenfaden 1985 drawing/photo fide; A Guide to Orchids of the World Hodgson, Paine & Anderson 1991 Photo fide; Thai Orchid Species Rakpaibulsombay 1992 photo fide; The Illustrated Encyclopedia of Orchids Pridgeon 1992 photo fide; Manual of Orchids Stewart 1995; AOS Bulletin Vol 65 No 8 1996 photo fide; Orchid Species Culture; Dendrobium Bakers 1996; Dendrobium and their Relatives Lavarack, Harris and Stocker 2000 photo fide; A Field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; A to Z of South East Asian Orchid Species Vol 1 O'Byrne 2001 photo fide; AOS Bulletin Vol 73 No 3 2004; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; The Dendrobiums H. P. Wood 2006 photo fide; Wild Orchids in Myanamar Vol 3 Tanaka 2007 photo ofide; Miniature Orchids Frownie 2007 photo fide; AOS Bulletin Vol 77 No 8 2008 photo fide; Wild Orchids of Myanmar Hyan Tun [Mr Myanmar] 2014 Photo fide; AOS Bulletin Vol 85 #6 2016 photo fide;
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