Culms to 16m, to 4cm in diameter; internodes to 20cm, apically lightly waxy, smooth; wall less than 3mm thick; nodes level and glabrous. Culm sheaths very broad, basally brown-pubescent, distally waxy; blade triangular, erect, quickly deciduous. Leaf sheaths pruinose; ligule short; auricles and oral setae absent; blade to 5´35cm, with weak cross-veins (lightly tessellate).
Bhutan: S—Sarbhang district; C—Tongsa district (Tingtibi); Sikkim (Rungbi Jhora). Subtropical forest, 1000–1200m (Flora of Bhutan, 2000)
