SECTION Planibulbus Verm, Schuit & De Vogel 2014

TYPE = Bulbophyllum planibulbe (Ridl.) Ridl.1907

This section is similar to many species within Macrocaulia but these plants are larger with long creeping rhizomes that are wiry and not brittle and the have racemoise inflorescence carrying resupinate flowers that have the basal node of the pedicel level with the attachment of the floral bracts There are 4 pollina.

The prostrate pseudobulbs on an elongated, wiry rhizome are diagnostic in the field.

There are 2 species in Thailand, penninsular Malaysia, SUmatra and Borneo

Entries below with an asterix are listed in publications by J J Vermeullen and so are more likely correct than ones without. Species with a question mark in front, seem to me to not conform and so please use with caution.

  1. *!Bulbophyllum planibulbe (Ridl.) Ridl.1907 Thailand, peninsular Malaysia, Sumatra and Borneo

References Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide; Genera Orchidacearum Vol 6 Epidendroideae Pt 3 Pridgeon, Cribb Chase & Ramussen 2014; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide; *Phytotaxa 166 (2): 101113 J.J.Verm., Schuit. & de Vogel 2014

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