Dendrobium christyanum Rchb. f. 1882 SECTION Formosae Photo by Pieter C. Brouwer and his Nature Photo Website

What was known as D margaritaceum Photo by Copyright Holger Perner

Plant and Flowers Photo by Copyright Rogier Van Vugt and His PBase Orchid Photo Website

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Common Name Christy's Dendrobium [English Orchid Enthusiast 1800's] - In China Mao Qiao Shi Hu - In Thailand Uang Sae Doi Pui

Flower Size 2" [5cm]

Found in northern Vietnam, northern Thailand, and southwestern China in highland primary cloud forests as a miniature to small sized, warm to cool growing, miniature epiphyte in forests at an elevation of 800 to 1600 meters with caespitose, subclavate, abbreviated pseudobulbs enveloped by 3 to 4, pellucid sheaths covered in black hairs and carries 2 towards the apex, lanceolate, obtuse, covered in black hairs below, obliquely bilobed apically leaves that blooms in the late spring and summer on a terminal or lateral, very short, single flowered inflorescence that arises from the apex or on the sides of old and new pseudobulbs and carries fragrant flowers.

Similar to both D luekelianum and D bellatulum but D christyanum differs mostly in the flat central callus on the lip with the yellow or white apex.

Synonyms Dendrobium margaritaceum Finet 1901

References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910 as D margaritaceum; The Orchids of Thailand Seidenfaden & Smitinand 1960 as D margaritaceum drawing good; The Orchids of Thailand Seidenfaden & Smitinand 1960; The Orchids of Thailand Seidenfaden & Smitinand 1965 corrections photo fide; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 as D margaritaceum photo fide; Miniature Orchids Northern 1980 as D margaritaceum photo fide; AOS Bulletin Vol 53 No 9 1984 photo; Opera Botanica #83 Orchid Genera in Thailand XII Dendrobium Sw. Seidenfaden 1985 drawing/photo fide; Schlechteriana Vol 2 No 3 1991 as D margaritaceum photo fide; A Guide to Orchids of the World Hodgson, Paine & Anderson 1991 as D margaritaceum Photo fide; Thai Orchid Species Rakpaibulsombay 1992 as D margaritaceum photo fide; Miniature Orchids McQueens 1992 as D margaritaceum photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Laurent 1992 photo fide; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Orchid Species Culture; Dendrobium Bakers 1996; Wild Orchids of China Tsi, Chen Mori 1997 photo fide; AOS Bulletin Vol 67 No 11 1998 photo fide; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; 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; Wild Orchids in Myanamar Vol 1 Tanaka 2003 photo fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; The Dendrobiums H. P. Wood 2006 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; Mille Et Une mini Orchidees Roguenant 2009 photo fide; Orchid Digest Vol 74 #4 2010 photo fide; Orchid Digest Vol 74 #4 2010 as D margaritaceum photo fide; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos fide; A Compendioum of Minaiture Orchid Species Vol 1 Parsons and Gerritsen 2013 photo fide; Wild Orchids of Myanmar Hyan Tun [Mr Myanmar] 2014 Photo fide; Wild Orchids of Myanmar Hyan Tun [Mr Myanmar] 2014 as D christyanum var alba Photo fide; AOS Bulletin Vol 86 #6 2017 photo fide;

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