Bulbophyllum obtusum (Blume) Lindl.1830 SECTION Desmosanthes [Bl.] J.J. Sm. 1933

Photo by Bill Temple


Plant and Flowers

Photos by Ong Poh Sek

Part shade Warm Cool Winter

Common Name The Obtuse Bulbophyllum [refers to the lip apex]

Flower Size .2" [5 mm]

Found in Malaysia, Borneo, Java and Sumatra in lower montane forests at elevations of 700 to 2200 meters as a miniature sized, pendulous to scrambling, warm to cool growing epiphyte with .4 to .8" [1 to 2 cm] between each tilted at an acute angle to the rhizome, ovoid to cylindrical, variable sized pseudobulbs carrying a single, apical, narrowly oblong, obtuse, sessile leaf that blooms in the winter on an arising from the rhizome, 2 to 3 flowered .2 to .4" [6 to 9 mm] long inflorescence.

The flowers are color variable and come in all white and an all yellow form.

Synonyms Bulbophyllum parvilabium Schltr. 1911; *Diphyes obtusa Blume 1825; Phyllorchis obtusa (Blume) Kuntze 1891

References W3 Tropicos, Kew Monocot list , IPNI ; The Genus Coelogyne A Synopsis, D A Clayton 2002; Die Orchideen Von Java J.J.Sm. 1905; Die Orchideen Von Java Figuren Atlas J.J.Smith 1908 drawing fide; Dansk Botanisk Arkiv Bind 33 #3 Orchid Genera in Thailand VIII Bulbophyllum Thou Seidenfaden 1979 as B parvilabium drawing good; Orchids of Java Comber 1990 photo ok; The Orchids of Penninsular Malaysia and Singapore Seidenfaden & Wood 1992 drawing good; Orchids of Malaya Segerback 1992 photo fide; The Plants of Mount Kinabalu Vol 2 Orchids Wood Beaman & Beaman 1993; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Bulbophyllum and Their Allies Siegrist 2000; Bulbophyllum and Their Allies Siegerist 2001; Orchids of Sumatra Comber 2001 photo ok; Orchids of Sarawak Beaman & Wood 2002 photo fide; Orchids of Sarawak Beaman, Wood & Beaman etal 2001 as B parvilabium; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 photo fide; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide;