Dendrobium dixanthum Rchb. f. 1865 SECTION Holochrysa

Flower Closeup

Photos courtesy of Kazunori Miura

Part sunHot Warm WinterandSpring

Common Name The Twice Yellow Dendrobium [refers to the flower colors] - in Thailand Ueang khamplu - Ueang thian - Ueang kham pawn - Ueang phai - Ueang baiphai - In China Huang Hua Shi Hu

Flower Size 1.6" [4 cm]

found in Myanmar, Thailand and Laos in the tops of tall trees in deciduous forests at altitudes of 200 to 960 meters as a medium to large sized, hot to warm growing epiphytic species is with erect to pendant, terete stems carrying 4, ligulate to lanceolate, suberect, acute or acuminate leaves that blooms in the winter and spring on pendant racemes emerging from the nodes at and near the apex of mature psudobulbs carrying thin textured flowers.

In winter water and fertilizer should be lessened and then in the early spring should be curtailed altogether with only morning mistings until new growth is initiated.

Synonyms Callista dixantha (Rchb. f.) Kuntze 1891

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Burma Grant 1895/1995; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910; The Orchids of Thailand Seidenfaden & Smitinand 1960 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1965 corrections; AOS Bulletin Vol 36 #10 1967 photo fide; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; 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 Manual Of Cultivated Orchid Species Bechtel, Cribb & Laurent 1992 photo fide; Manual of Orchids Stewart 1995; Orchid Species Culture; Dendrobium Bakers 1996; Orchid Digest Vol 63 #4 1999 photo fide; Dendrobium and its Relatives Lavarack, Harris and Stocker 2000 photo fide; A Field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; Flora's Orchids Nash & La Croix 2005 photo fide; Turczaninowia 19 (3): 558 L. V. Averyanov, Khang Sinh Nguyen etal 2016 The Dendrobiums H. P. Wood 2006 photo fide; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos fide; Wild Orchids of Myanmar Hyan Tun [Mr Myanmar] 2014 Photo fide; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;