Bulbophyllum xanthobulbum Schltr. 1918 SECTION Ploiarium Schlechter 1925
Photo by © Jean-Michel Hervouet
Drawing by © Perrier and The Swiss Orchid Foundation at the Jany Renz Herbaria Website
EARLIER 
and AGAIN
Common Name The Yellow Pseudobulb Bulbophyllum
Flower Size .18 to .22" [4.5 to 5.5 mm]
Found in Madagascar in coastal and humid evergreen forests at elevations around sea level to 1400 meters as a mini-miniature sized, hot to cool growing epiphyte with broadly ovoid, compressed, very rugose, yellow pseudobulbs carrying a single, apical, short, widely elliptical leaf that blooms in the earlier spring and again in the summer on a basal, erect, peduncel to 1.2" [3 cm] long, 2 to 2.4" [5 to 6 cm] long overall, several flowered inflorescence with oval-acuminate, twice as long as the pedicel floral bracts.
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ; Flora of Madagascar Perrier 1939/81 drawing fide; Orchids of Madagascar Hermans, Du Puy, Cribb & Bosser 2007; Field Guide to the Orchids of Madagascar Cribb & Hermans 2009; A la Recherche des Orchidees de Madagascar Hervouet 2018 photo fide;
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