Dendrobium chryseum Rolfe 1888 SECTION Holochrysa Photo courtesy of Patricia Harding
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to EARLY 
Common Name The Yellow Flowered Dendrobium - In China Xian Ye Shi Hu
Flower Size to 2.8" [to 7 cm]
Found throughout the western Himalayas, Eastern Himalayas, Assam, Bangladesh, Bhutan, Nepal, Myanamar, Thailand, Laos, southern China, Vietnam and Taiwan as a medium to large sized epiphyte or lithophyte at elevations of 1000 to 2150 meters sometimes in sandy gulches on south faces of rocks with thin, erect, sulcate with age, basally swollen pseudobulbs carrying several, oblong to lanceolate leaves that are notched apically that blooms in the spring and early summer on a 3" [7.5 cm] long, few flowered, pendulous inflorescence arising on last years canes with 4 to 6, beautiful, fragrant, glossy, short lived flowers.
Synonyms Aporum rivesii (Gagnep.) Rauschert 1983; Callista aurantiaca Kuntze 1891; Dendrobium aurantiacum Rchb. f. 1887; Dendrobium aurantiacum var. zhaojuense (S.C.Sun & L.G.Xu) Z.H.Tsi 1999; Dendrobium chryseum var. bulangense G.Z. Ma & G.J. Xu 1992; Dendrobium clavatum Lindl. 1851-2; Dendrobium clavatum var. aurantiacum (Rchb. f.) T. Tang & F.T. Wang 1951; Dendrobium flaviflorum Hayata 1911; Dendrobium rivesii Gagnep. 1930; Dendrobium tibeticum Schltr. 1921; Dendrobium zhaojuense S.C.Sun & L.G.Xu 1988
References W3 Tropicos, Kew Monocot list , IPNI ; A Century of Indian Orchids Vol 5 Hooker 1895 as D aurantiacum drawing ok; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchids of Kumaun Himalayas Pangtey, Samant and Rawat 1991; Orchid Species Culture; Dendrobium Bakers 1996; Wild Orchids of China Tsi, Chen Mori 1997; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide as D denneanum; A Field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001; Beautiful Orchids of Nepal Rajbhandari & Bhattarai 2001; Orchids of Bhutan Pearce & Cribb 2002; Australian Orchid Review Vol 68 No 5 2003 photo; The Dendrobiums H. P. Wood 2006; Orchids of India A Glimpse Misra 2007; Native Orchids From Gaoligongshan Maountains, China Xiaohua, Xiaodong and Xiaochun 2009 photo fide as D aurantiacum; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009;
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