Oberonia sulcata J.Joseph & Sud.Chowdhury 1966

Drawing by Sivanandan

Common Name The Sulcate Oberonia

Flower Size .08" [2 mm]

Found in Arunachal Pradesh state of India at elevations of 2000 to 2700 meters as a miniature sized, cold growing epiphyte without a stem, with a fwe, linear, terete to ovate-oblong in cross-section, fleshy, acute leaves that blooms in the summer and fall on an erect, peduncel to 1" [2.5 cm], rachis to 6" [15 cm] long, many flowered inflorescence with ovate-lanceolate, acuminate, lacerate margins, longer than the ovary floral bracts and carrying yellowish brown flowers.

Most similar to and may be conspecific with O langbianensis or O recurva. More research is needed.


References Oberonia caulescens Lindl.1830 Orchid Monographs Vol 4 Ansari & Balakrishnan 1990 drawing fide; Orchids of Bhutan Pearce & Cribb 2002