Bulbophyllum occultum Thouars 1822 SECTION Lupulina G A Fischer in prep

Flower Closeup

Closer Yet

Photos by Olaf Pronk

Plant and Flowers in situ Reunion

Photo by © François Vandeschricke and The Orchidees de Reunion Website

Common Name The Hidden Bulbophyllum [refers totgyhe large bracts that cover the flowers]

Flower Size 5/8" [1.6 cm]

Found in Madagascar and the Mascarenes in humid evergreen coastal and lowland forests of at elevations around sealevel to 1500 meters as a highly variable, small sized, hot to cool growing epiphyte with 1 to 1 1/4" [2.5 to 3 cm] between each oval, tetragonal-winged yellowish pseudobulb enveloped in youth by 5 unequally sized, sheaths and carrying a 2 apical, thick, very flat oblong leaves that are slightly attenuate towards the base that blooms at most any time of the year on a 6" to 10" [15 to 25 cm] long, clad apically with several loose, evasive sheaths and a recurved rhachis widening into 3 rows of brownish yellow bracts each one completly cover the several flowers at the apice of the inflorescence.

Synonyms Dendrochilum occultum (Thouars) Lindl 1830; Diphyes occulata (Thouars) Kuntze 1891; Diphyes occulta (Thouars) Kuntze 1891; Phyllorchis occulta (Thouars) Kuntze 1891

References W3 Tropicos, Kew Monocot list , IPNI ; *Historie Particulier des Plantes Orchidees Recueilles Sur Trois Iles Australes d'Afrique Thouars 1822 drawing fide; Flora of Madagascar Perrier 1939/81 as B occulatum drawing fide; Die Orchideen lieferung 13 753 - 816 1983 photo ok; Bulbophyllum and Their Allies Siegerist 2001; Orchids of Madagascar Hermans, Du Puy, Cribb & Bosser 2007 photo fide; Field Guide to the Orchids of Madagascar Cribb & Herman 2009 photo fide; Mille et Une Mini Orchideees Roguenant 2009 drawing fide; AOS Bulletin Vol 79 #3 2010 drawing fide; Genera Orchidacearum Vol 6 Epidendroideae Pt 3 Pridgeon, Cribb Chase & Ramussen 2014; Les Orchidees de Madagascar Bosser & Lecoufle 2015 photo fide; A la Recherche des Orchidees de Madagascar Hervouet 2018 photo fide;