Bulbophyllum stenobulbon Parish & Rchb. f. 1916 SECTION Desmosanthes [Bl.] J.J. Sm. 1933

Photos by Bob Fallon Copyright © , and the Dr Leslie Garay Archives

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Common Name The Slender Bulbed Bulbophyllum - In China Duan Zu Shi Dou Lan

Flower Size 3/8" [1 cm]

Found in Assam India, Guangdong, Guizhou, and Yunnan provinces of China, Hong, Kong, Thailand, Myanmar, Laos and Vietnam at elevations around 500 to 800 meters as a miniature sized, hot to warm growing lithophyte on vertical mossy cliff faces in forests or exposed to the sun with 1 to 1.6" [2.5 to 4 cm] between each cylindric to ovoid-globose, obtuse pseudobulb carrying a single, apical, narrowly oblong elliptic, notched, subsessile leaf that blooms in the spring on a basal, slender, 1" [2.5 cm] long, 1 to 8 flowered inflorescence with 3, imbricate, lanceolate, basal sheaths and has a lanceolate, acute, membraneous floral bract with the flowers held below the leaf.

This orchid needs an open media, regular daily waterings, high humidity and moderate shade.

Synonyms Bulbophyllum clarkeanum King & Pantl. 1895; Bulbophyllum youngsayeanum S.Y. Hu & Barretto 1976; *Phyllorchis stenobulbon (Parish & Rchb. f.) Kuntze 1891

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Burma Grant 1895/95; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 as B clarkeanum drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1961 drawing fide; The Orchids of Thailand Seidenfaden & Smitinand 1961 as B clarkeanum drawing not = B protractum; The Orchids of Thailand Seidenfaden & Smitinand 1965 corrections; The Orchids of Thailand Seidenfaden & Smitinand 1965 corrections as B clarkeanum; Dansk Botanisk Arkiv Bind 33 #3 Orchid Genera in Thailand VIII Bulbophyllum Thou Seidenfaden 1979 drawing fide; Indian Orchids Guide to Identification and Culture Vol 2 Pradhan as B clarkeanum 1979 drawing fide; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Orchids Of India II Biodiversity & Status of Bulbophyllum Thou Augustine & Kumar 2001 as B clarkeanum; Bulbophyllum and Their Allies Seigerist 2001; Orchids of Bhutan Pearce & Cribb 2002; Orchids of India A Glimpse Misra 2007; Orchids of India A Glimpse Misra 2007 as B clarkeanum; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing ok; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos ok; The Wild Orchids of Hong Kong Barretto, Cribb and Gale 2011 drawing/photo fide; Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo not = B angustifolium;

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