Bulbophyllum sulfureum Schlechter 1924 SECTION Alcistachys Schlechter 1924

Photo by Olaf Pronk and Laurette E.U.R.L. orchids of Madagascar

Plant Photos by Dominique Karadjoff and his Madagascar Orchids Species Website

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Common Name The Sulphur Yellow Bulbophyllum

Flower Size 3/4" [2 cm]

Found in northeastern Madagascar in humid evergreen forests at elevations of 800 to 1700 meters as a small to just medium sized, warm to cool growing epiphyte with a sheath enveloped rhizome carrying close-set, ovoid, 4 angled pseudobulbs carrying 2, apical, lanceolate, acute, subpetiolate and attenuate towards the base leaves that blooms in the late spring and summer on a 8" [20 cm] long, very thick, yellowish green, incurved inflorescence that is enveloped by 5 to 7 sheaths.

References W3 Tropicos, Kew Monocot list , IPNI ; Flora of Madagascar Perrier 1939/81 drawing fide; Bulbophyllum and Their Allies Siegerist 2001; Ochids of Madagascar Hermans, Du Puy, Cribb & Bosser 2007 photo fide; Field Guide to the Orchids of Madagascar Cribb & Herman 2009 photo fide; Les Orchidees de Madagascar Bosser & Lecoufle 2015 photo fide

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