Bulbophyllum orbiculare J.J.Sm. 1912 SECTION Macrouris Schlechter 1913
Photos by © Ed de Vogel and the SECTION Macrouris Schlechter 1913">Orchids of New Guinea Website
Photo by © Art Vogel
to 
Common Name The Orbicular Bulbophyllum
Flower Size .2" [5 mm]
Found in the Moluccas, New Guinea and the Solomon Islands in primary forests at elevations of 650 to 2500 meters as a warm to cool growing epiphyte with a creeping rhizome with .24 to 2.8" [.6 to 7 cm] between each, ovoid pseudobulb and carrying a single, apical, erect, coriaceous, elliptic to almost obovate, obtuse to acute, gradually narrowing below into the petiolate base leaf that blooms in the fall winter and spring on a basal, glabrous to coarsely verrucose, 1.2 to 12.8" [3 to 32 cm] long, to 30 flowered inflorescence with 4 to 6 bracts and ovate to elliptic floral bracts.
Synonyms Bulbophyllum cassideum J.J.Sm. 1912; Bulbophyllum errabundum Ridl. 1916; Bulbophyllum glabrilabre J.J.Sm. 1913; Bulbophyllum habropus Schltr. 1913; Bulbophyllum orbiculare subsp. cassideum (J.J.Sm.) J.J.Verm 1993; Bulbophyllum truncatisepalum J.J.Sm. 1928; Bulbophyllum verrucirhachis Schltr 1913
References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae Of German New Guinea Schlechter 1913 as B cassideum; Orchidaceae Of German New Guinea Schlechter 1913 as B habropus drawing fide; Orchidaceae Of German New Guinea Schlechter 1913; Orchidaceae Of German New Guinea Schlechter 1913 as B verrucirhachis; The Orchids of The High Mountains of New Guinea P Van Royen 1979 as B habropus; The Orchids of the Solomon Islands and Bougainville Lewis & Cribb 1991 drawing/photo fide; Orchid Monographs Vol 7 Vermuellen 1993 drawing fide; Orchid Monographs Vol 7 Vermuellen 1993 as B orbiculare var cassideum drawing ok; Bulbophyllum and Their Allies Seigerist 2001
----------------------------------------------------------------------------------------------------------
