Bulbophyllum grandiflorum Blume 1847 SECTION Hyalosema Schlechter 1911

TYPE for the section

Plant and Flower Photos courtesy of Marius Wasbauer

Another Flower Angle

Common Name The Large-Flowered Bulbophyllum

Flower Size to 7" [to 17.5 cm]

A hot growing epiphyte found in Sumatra, Sulawesi, the Moluccas, and New Guinea at elevations of 100 to 800 meters in primary rainforests on the lower trunks of large treesthat blooms on a basal, erect to arching, to 10" [to 25 cm] long, single flowered, green inflorescence with foul smelling flowers that is longer than the leaves and occurs in the fall.

Very similar to Bulbophyllum burfordiense but it differs in a ciliate labellum, triangular petals, free, acute to obtuse lateral sepals, and a smaller dorsal sepal, while the other has a glaborous labellum, ovate petals that are apically acute, tapering lateral sepals with the apex acuminate, and a larger dorsal sepal of at least 14 cm long x 4 cm wide.

Synonyms Bulbophyllum burfordiense Rolfe 1901; Bulbophyllum micholitzii Rolfe 1901; *Ephippium grandiflorum Bl. 1849; Hyalosema grandiflorum [Bl.]Rolfe 1919; Hyalosema micholitzii (Rolfe) Rolfe 1919; Phyllorchis grandiflora (Bl) Kuntze 1891; Sarcopodium grandiflorum (Bl) Lindl. 1853

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchidaceae of German New Guinea Schlechter 1914/85; Orchidaceae of German New Guinea Schlechter 1913/85 as B micholtzii; Die Orchideen Schlechter 1915; AOS Bulletin Vol 27 no 7 1958 drawing; The Orchids of Papua New Guinea An Introduction Millar 1978 photo fide; AOS Bulletin Vol 50 No 9 1981 photo; AOS Bulletin Vol 52 No 9 1983 photo; Die Orchideen Band 3 Sonderabdruck aus Schlechter Brieger, Maatsch and Senghas # 40 Bulbophyllinae 1983 as Hyalosema micholtzii photo fide; AOS Bulletin Vol 56 No 12 1987 photo; Orchid Digest Vol 59 No 1 1995 photo fide; Australian Orchid Review Vol 66 No 3 2001 photo; Bulbophyllum and Their Allies Siegerist 2001 as Cirrhopetalum grandiflorum; Lindleyana Vol 17 No 1 2002; AOS Bulletin Vol 77 No 11 2006 photo; Bulbophyllum: the incomplete Guide From A to why? Bill Thoms 2009 photo fide; Bulbophyllum of Sulawesi Verm. & O'Byrne 2011 drawing/photo fide; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015;