Bulbophyllum tardeflorens Ridley May 1896 SECTION Intervallatae Ridley 1897

Photo by Art Vogel

Common Name The Late-Flowering Bulbophyllum

Flower Size .8" [2 cm]

Found in Borneo at elevations of sealevel to 1600 meters as a medium sized, hot to cool growing epiphyte with 1.2 to 3.2" [3 to 8 cm] between each small compared to the palnt, ovoid-cylindrical to ellipsoid-cylindrical, not angular pseudobulbs carrying a single, apical, erect, elliptic to ovate, obtuse to acute, petiolate base leaf that blooms in the spring on a patent, congested, peduncle 23 to 13.8" [30 to 34.5cm] long, rachis porrect, slightly thickened, to 5.8" [14.5 cm] long, to 19.6" [to 45 cm] long overall, densely to 35 flowered inflorescence with slightly conduplicate floral bracts.

Often cited as a synonym of B macrochilum but differs in the creeping rhizome, shape and length of the longitudinal calli at base of the lip as well as the bloom season.


References W3 Tropicos, Kew Monocot list , IPNI ; Blumea 38: 347 J.J.Verm. & A.L.Lamb 1994; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Orchids of Sarawak Beaman, Wood & Beaman etal 2001; Thirty Two New Species of Bulbophyllum (Orchidaceae)from Sulawesi J.J. VERMEULEN 1 AND P. O’BYRNE Gard. Bulletin Singapore 60 (1): 73-153 2008; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photo/drawing fide