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

Drawing by J J Vermeulen

Part shade Cool

Common Name or Meaning The Triangular Bulbophyllum

Flower Size .12" [3 mm]

Found in Sabah and Sarawak Borneo in low and open forests, podozolic forests, forests on steep slopes and ridge top forests at elevations of 1200 to 2100 meters as a small sized, cool growing epiphyte with a short-creeping rhizome with .32 to 1.4" [.8 to 3.5 cm] between each, minute, discoid, not laterally flattened pseudobulb carrying a single, apical, erect, elliptic to obovate, acute, petiolate base leaf that blooms on a more or less erect, peduncle 3.4 to 6.4" [8.5 to 17 cm] long, provided with 6 to 8 scales, rachis porrect to arching, 3.6 to 12.4" [9 to 31 cm] long, elongated, rather lax, to rather dense , many simutaneously 19 to 70 flowered inflorescence with somewhat longer than the ovary floral bracts.


References W3 Tropicos, Kew Monocot list , IPNI ; The Plants of Mount Kinabalu Vol 2 Orchids Wood Beaman & Beaman 1993; A Checklist of the Orhcids of Borneo J J Wood & P J Cribb 1994; Orchids of Sarawak Beeman & Wood Beaman etal 2001; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide;