Bulbophyllum cleistogamum Ridl. 1895 SECTION Intervallatae Ridley 1897
Photos by Bob Fallon Copyright ©, and the Dr Leslie Garay Archives
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Common Name The Self-Fertilizing Bulbophyllum
Flower Size 1 3/4" [4.5 cm]
Found in pennisular Malaysia, Borneo and the Luzon province of the Philippines in podosol forests on rocks and trunks of trees at elevations of 400 to 500 meters and is a small sized, hot to warm growing epiphyte and occasional lithophyte with a rhizome with to 1" [2.5 cm] between each, cylindric, conical, curved pseudobulb with a single, apical, leathery, erect, dark green, oblong to oblong-elliptic, gradually narrowing below into the channeled, petiolate base leaf that blooms on a basal, erect, terete, 8 to 24" [20 to 60 cm +] long, single flowered inflorescence with several tubular sheaths and triangular floral bracts that holds the wide opening, odor-less, flower above the leaves.
This orchid needs regular watering and high humidity.
Synonyms Bulbophyllum nieuwenhuisii J.J.Sm. 1926
References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae of German New Guinea Schlechter 1913; The Complete Writings on Philippine Orchids Vol 1 Quisumbing 1981 drawing/photo fide; Orchidiana Philipiniana Vol 1 Valmayor 1984; Flora of Malaya Vol 1 Holttum 1957; The Orchids of Penninsular Malaysia and Singapore Seidenfaden & Wood 1992 drawing fide; A Checklist of the Orchids of Borneo Wood & Cribb 1994; A Checklist of the Orchids of Borneo J J Wood & P J Cribb 1994 as B nieuwenhuisii; Orchids of the Philippines Cootes 2000 photo fide; Bulbophyllums and Their Allies Seigerist 2001; Orchids of Sumatra Comber 2001 photo fide; Orchids of Sarawak Beeman & Wood Beaman etal 2001; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide; Bulbophyllum of Sulawesi Vermeullen & O'Byrne 2011 drawing/photo fide; Philippine Native Orchid Species Cootes 2011 photo fide; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide;
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