Bulbophyllum sororculum J.J.Verm. 2002 SECTION Hirtula Ridley 1908

TYPE Drawing Photo by M Brans/TYPE Drawing by J J Vermeulen and Gard. Bull. Singapore 54: 127 J J Verm. 2002

Part Shade Hot Warm Fall

Common Name The Closely Related Bulbophyllum [refers to its similarity to B aithorhachis]

Flower Size .12" [3 mm]

Found in Sulawesi in primary forest at elevations around 500 meters as a miniature sized, hot to warm growing epiphyte with .56 to 1.2" [1.4 to 3 cm] between each distant, depressed conical to conical pseudobulbcarrying a single, elliptic, acute, petioalte base leaf that blooms in the fall on a basal, peduncle to 3.8" [9.5 cm] long, provided with 4 bracts, rachis spindle shaped, 3" [7.5 cm] long, dull purplish red with tiny green spots, many minute, blackish dots, elongated, lax, erect to patent, simultaneously few, to 22 flowered inflorescence with triangular, acute, green, suffused with dull purple, longer than the ovary floral bracts and carrying flowers that do not open well and have greenish sepals, heavily spotted with dull purple, petals greenish at base, white in the middle, grading into a blackish purple top part and yellow hairs, a lip that is greenish at the base, yellowish elsewhere, and the margins and median crests almost black, elsewhere with almost black spots.

"Bulbophyllum sororculum is in some respects intermediate between B. setuliferum and B. aithorhachis. The former differs in having a lip with a concave top part, the latter in having a pendulous inflorescence and a lip that is hirsute distally on the adaxial side; and both differ in having less elongated petals." J J vermeulen 2002


References W3 Tropicos, Kew Monocot list , IPNI ; * Gard. Bull. Singapore 54: 127 J J Verm. 2002 drawing/photo fide;