Bulbophyllum orohense J.J.Sm. 1915 Bulbophyllum orsidice Ridl. 1916 Bulbophyllum ortalis J.J.Verm. 1993 Bulbophyllum orthosepalum J.J.Verm. 1993: Straight-petaled Bulbophyllum Bulbophyllum osyricera Schltr. 1911 Bulbophyllum osyriceroides J.J.Sm. 1920 Bulbophyllum othonis (Kuntze) J.J.Sm. 1912 Bulbophyllum otochilum J.J.Verm. 1991 Bulbophyllum ovalifolium (Blume) Lindl. 1830: Oval-leafed Bulbophyllum Bulbophyllum ovatolanceatum J.J.Sm. 1928 Bulbophyllum ovatum Seidenf. 1979 Bulbophyllum oxyanthum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905 Bulbophyllum oxycalyx Schltr. 1924 Bulbophyllum oxycalyx var. oxycalyx Bulbophyllum oxycalyx var. rubescens (Schltr.) Bosser 1965 Bulbophyllum oxychilum Schltr. 1905 P Bulbophyllum pachyacris J.J.Sm. 1908 Bulbophyllum pachyanthum Schltr. 1906 Bulbophyllum pachyglossum Schltr. 1919 Bulbophyllum pachyneuron Schltr. 1911 Bulbophyllum pachypus Schltr. 1924 Bulbophyllum pachytelos Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905 Bulbophyllum pahudii (de Vriese) Rchb.f. in W.G.Walpers 1861 Bulbophyllum paleiferum Schltr. 1924 Bulbophyllum pallens (Jum. & Perrier) Schltr. 1924 Bulbophyllum pallidulum J.J.Verm., Schuit. & de Vogel (2014) Bulbophyllum pallidum Seidenf. 1979 Bulbophyllum pampangense Ames 1923 Bulbophyllum pan Ridl. 1915 Bulbophyllum pandanetorum Summerh. (1953 publ. 1954). Bulbophyllum pandurella Schltr. 1924 Bulbophyllum pantoblepharon Schltr. 1924 Bulbophyllum pantoblepharon var. pantoblepharon Bulbophyllum pantoblepharon var. vestitum H.Perrier ex Hermans (2007) Bulbophyllum papangense H.Perrier 1937 Bulbophyllum papilio J.J.Sm. 1910 Bulbophyllum papillatum J.J.Sm. 1910 Bulbophyllum papillipetalum Ames 1922 Bulbophyllum papillosofilum Carr 1929 Bulbophyllum papuanum (Schltr.) J.J.Verm., Schuit. & de Vogel (2014) Bulbophyllum papuliferum Schltr. 1911 Bulbophyllum papuliglossum Schltr. 1913 Bulbophyllum papulipetalum Schltr. 1913 Bulbophyllum papulosum Garay 1999: Warty Bulbophyllum Bulbophyllum parabates J.J.Verm. 1991 Bulbophyllum paraemarginatum Aver. (2007) Bulbophyllum paranaense Schltr. 1919 Bulbophyllum paranaense var. paranaense Bulbophyllum pardalinum Ridl. 1916 Bulbophyllum pardalotum Garay 1995 Bulbophyllum parviflorum C.S.P.Parish & Rchb.f. 1874 Bulbophyllum parvum Summerh. 1957 Bulbophyllum patella J.J.Verm. 1993 Bulbophyllum patens King ex Hook.f. 1896 Bulbophyllum pauciflorum Ames 1912 Bulbophyllum paucisetum J.J.Sm. 1915 Bulbophyllum paulianum J.J.Verm., Schuit. & de Vogel (2014) Bulbophyllum paululum Schltr. 1913 Bulbophyllum pauwelsianum Stévart & Droissart (2014) Bulbophyllum pauzii P.O'Byrne & P.T.Ong (2014) Bulbophyllum pecten-veneris (Gagnep.) Seidenf. (1973 publ. 1974): Bulbophyllum pectinatum Finet 1897 Bulbophyllum pedilochilus J.J.Verm., Schuit. & de Vogel (2014) Bulbophyllum pelicanopsis J.J.Verm. & A.L.Lamb 1988 Bulbophyllum peltopus Schltr. 1913 Bulbophyllum pemae Schltr. 1913 Bulbophyllum pendens J.J.Verm. (2008) Bulbophyllum penduliscapum J.J.Sm. 1900 Bulbophyllum pendulum Thouars 1822 Bulbophyllum penicillium C.S.P.Parish & Rchb.f. 1874: Brush-lipped Bulbophyllum Bulbophyllum peninsulare Seidenf. 1979: Peninsula Bulbophyllum Bulbophyllum pentaneurum Seidenf. 1979 Bulbophyllum pentastichum (Pfitzer ex Kraenzl.) H.Perrier 1939 Bulbophyllum pentastichum subsp. pentastichum Bulbophyllum pentastichum subsp. rostratum H.Perrier ex Hermans (2007) Bulbophyllum peperomiifolium J.J.Sm. 1918 Bulbophyllum peramoenum Ames, Philipp. (1913 publ. 1914). Bulbophyllum percorniculatum H.Perrier 1951 Bulbophyllum perexiguum Ridl. 1916 Bulbophyllum perforans J.J.Sm. 1935 Bulbophyllum