Bulbophyllum sigmoideum Ames & C.Schweinf. 1920 SECTION Stachysanthes (Bl.) J.J. Verm. & P. O’Byrne 2008

TYPE Drawing by © J J Vermeullen 1991

Part shade Cool Fall

Common Name The "S" Shaped Lip Bulbophyllum

Flower Size .16" [4 mm]

Found in Sabah Borneo at elevations around 1000 to 1700 meters as a mini-miniature sized, cool growing epiphyte with a creeping rhizome with .2 to .6" [.5 to 1.5 cm] between each discoid, not flattened pseudobulbs carrying a single, apical, thick, elliptic, petiolate base leaf that blooms in the fall on a 9.6 to 12.4" [24 to 31 cm] long overall, peduncle 5.2 to 6" [13 to 15 cm] long, rachis 4.4 to 6.4" [11 to 16 cm] long, to 21 flowered inflorescence with ovate, much longer than the ovary floral bracts and carrying cream-colored with whte apices, light yellow or yellowish green flowers .


References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Borneo Vol 2 Vermuellen 1991 drawing fide; Plants of Mt Kinabalu Vol 2 Wood, Beaman & Beaman 1993; A Checklist of the Orchids of Borneo Wood & Cribb 1994; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 drawing fide;