Bulbophyllum (Orchidaceae: Epidendroideae) of Indonesian Borneo: a new species and first record for B. lyriforme

A new species of orchid, Bulbophyllum pulanense, is described based on specimens collected from Kapuas Hulu Regency, Kalimantan Barat Province of Indonesian Borneo. Bulbophyllum lyriforme, is also presented here as a new record for Borneo, formerly only known from cultivated plants collected from New Guinea. Both species are described and illustrated with both line drawings and photographs.