Height : 4 - 10m
Diameter : 2.5 - 3cm
Culm Color : Green or Yellow
Culm Sheath Color : 15-30 cm long and 5-7.5 cm broad,somewhat thin, papyraceous towards the top on young culms, covered on back with an appressed pale brown pubescence,truncate at the top of long sheaths, on the shorter lower ones rounded with concave sinus; imperfect blade long, erector recurved, covered with white hairs, rounded at the base and decurrent into two small auricles, sometimes fringed;ligule narrow, serrate.
Length of Leaf : 10-20 cm
Breadth of Leaf : 2.5-5 cm
Native to : Arunachal Pradesh, Assam, Meghalaya, Mizoram, Nagaland, North eastern India, Sikkim, Bhutan
Description of Inflorescence and Flower : a dense, globular, terminal or axillary, brownishhead, 2-3.8 cm diameter. Sterile spikelets numerous, hidden by shining scarious scales often keeled on the back. Fertile spikelets 1.5-2 cmlong, few, with 1-3 sterileflorets at the base. Glumes2, ovate, glabrous at thetop or slightly pubescent,with anastomosing nerves,tip ending in a scabrous awn; lemmas of the fertile floret similar in shape but with a shorter awn; palea as long as thelemma, convolute, thin, conspicuously nerved, both longitudinally and transversely, 2-keeled, the keels close togetherand hairy between, shortly hairy and mucronate at the tip. Lodicules 3, oblong-lanceolate, nerved, obtuse, attenuateand ciliate at the tip. Stamens 6, exserted, filaments long, anthers emarginate at the top. Ovary ovoid, furrowed,glabrous, attenuate into a twisted style; stigmas 2, hairy.
Flowering Reported : Gamble (1848,1866,1869,1874 ), Sikkim (1878, 1892) , Khasi Hills, Meghalaya (1830, 1835, 1850, 1871, 1872)
Uses: Construction, fodder, bows, arrows