Dendrobium aduncum Lindl. 1842 SECTION Breviflores Hkr.f

Photo by Patricia Harding

Flower showing column wings

Photo by © Seidenfaden

Plant and Flowers

Photo by © Lourens Grobler

FragrancePart sunHotTo CoolSpring To Fall

Common Name The Inward-Bent Dendrobium [refers to the wings at the column apex] - In China Gou Zhuang Shi Hu

Flower Size 1" to 1 3/8" [2.5 to 3.5 cm]

Found in Assam India, eastern Himalayas, Bhutan, Sikkim, Myanmar, Thailand, Laos, Guangdong, Guangxi, Ghuizhou, Hainan, Hunan and Yunnan provinces of China, Hong Kong and Vietnam in subtropical forests and broadleaf, evergreen lowland forests and primary montane forests near rivers at elevations of 300 to 1300 meters as a medium sized, hot to cool growing epiphytic species with pendulous, terete, fractiflex, branching canes enveloped by sheaths and carrying 4 to 6, linear-lanceolate, acuminate leaves that blooms on an axillary, 2.8" [7cm] long, zigzag, racemose inflorescence arising from the leafless nodes at the apex of an older leafless canes occuring in the spring through fall with 2 to 5, long-lasting, fragrant flowers.

This species is best mounted to accomodate the growth and flowering habit and needs ample huimidity and water with only a short 3 to 4 week rest from water and fertilizer in the winter.

Similar to D hercoglossum but differs mostly in that this one has wings on the column and D linguella does not as well but it has a much more open lip and D bifurcatum has a narrow acute lip with 2 oblong violet spots at the apex of the column.

Synonyms Callista adunca (Wall. ex Lindl.) Kuntze 1891; Dendrobium aduncum var. faulhaberianum (Schltr.) Tang & F.T.Wang 1951; Dendrobium faulhaberianum Schltr. 1911; Dendrobium oxyanthum Gagnep. 1930;

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 drawing fide; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 as Eudendrobium adunctum drawing fide; Die Orchideen 2 Auflage Schlechter 1927; AOS Bulletin Vol 15 # 6 1946 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1959; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 37 #5 1968 photo fide; Indian Orchids: A guide to Identification and Culture Vol II Pradhan 1979 drawing fide; Orchids of Arunachal Pradesh Hegde 1984; Opera Botanica #83 Orchid Genera in Thailand XII Dendrobium Sw. Seidenfaden 1985 drawing/photo fide; Opera Botanica #83 Orchid Genera in Thailand XII Dendrobium Sw. Seidenfaden 1985 as D faulhaberianum drawing/photo fide; The Orchids of Penninsular Malaysia and Singapore Wood & Seidenfaden 1992; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Laurent 1992 photo good; Thai Orchid Species Rakpaibulsombat 1992 photo fide; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994 as D faulhaberianum; Manual of Orchids Stewart 1995; Orchid Species Culture Dendrobium Bakers 1996; Orchid Species Culture; Dendrobium Bakers 1996 as D faulhaberianum; Wild Orchids of China Tsi, Chen Mori 1997 photo fide; Orchid Digest Vol 63 #2 1999 photo fide; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; Lindleyana Vol 15 No 2 2000 as D mitriferum Lindleyana Vol 15 No 3 2000; Lindleyana Vol 15 No 3 2000 as D faulhaberianum; Lindleyana Vol 15 No 3 2000 as D mitriferum; AOS Bulletin Vol 69 #8 2000 photo fide; Dendrobium and their Relatives Lavarack, Harris and Stocker 2000 photo fide; Orchids of Bhutan Pearce & Cribb 2002 photo good; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; Hainan Island Wild Orchid illustrations 2005 photo fide; Flora's Orchids Nash & La Croix 2005 photo good; The Dendrobiums H. P. Wood 2006 photo fide; Orchids of India A Glimpse Misra 2007; Wild Orchids of the Cameron Highlands REACH 2009 photo fide; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo ok; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; The Atlas of Wild Orchids in Hainan Island, China Shenyan and Junmei 2010 photo fide; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos fide; The Wild Orchids of Hong Kong Barretto, Cribb and Gale 2011 drawing/photo fide; AOS Bulletin Vol 85 #3 2016 drawing fide; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;