Bulbophyllum aithorhachis J.J.Verm 1996 SECTION Hirtula Ridley 1908

Plant and Flowers

Photos by Takato NATSU from Japan and his Japan Orchids Page

Common Name The ? Rachis Bulbophyllum

Flower Size .24" [6 mm]

Found in Brunei, Borneo and Sumatra in tall forests at elevations of 50 to 800 meters as a small sized, hot to warm growing epiphyte with clustered to short creeping rhizome giving rise to depressed conical pseudobulbs carrying a single, apical, erect, elliptic to ovate, acute to acuminate leaf that blooms on a basal, peduncle more or less erect becoming pendulous, 3.12" to 11.2" [7.8 to 28 cm] long, rachis more or less patent to pendulous, arching to slighly nodding at the base, spindle shaped, elongate, [22 to 50 cm] long overall, simultaneously few, 22 to 50 flowered inflorescence with triangular, acute, slightly shorter to as long as the ovary floral bracts.

"Shares a distinctly swollen rachis with B. spadiciflorum Tixier. This species, however, has narrower petals (index 2.6-2.7), and shorter stelidia." Vermeulen & Lamb 1996


References W3 Tropicos, Kew Monocot list , IPNI ; *Blumea 41:349 J J Vermeulen 1996 drawing fide; Gard. Bull. Singapore 54: 128 J J Verm. 2002 drawing/photo fide; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide;