Culms 7–10(–12) m, 1–3(–5) cm in diam.; internodes terete, ca. 40 cm; wall 6–8 mm thick; nodes not prominent, farinose; intranode ca. 7 mm. Branches 3 per node, erect, base nearly appressed. Culm sheaths deciduous, green, not spotted, slightly longer than internode, thickly papery, glaucous, abaxially sparsely deciduous-setose, margins glabrous, apex truncate or subconcave; auricles subovoid, small, margins ciliate or glabrous; oral setae glabrous; ligule 4–5 mm, membranous, margins glabrous or ciliate; blade reflexed, linear-lanceolate, both surfaces densely pubescent, base slightly contracted. Leaves 4–6(or 7) per ultimate branch, glabrous; sheath glabrous; auricles and oral setae absent; ligule ca. 2 mm, membranous, margins glabrous; blade linear-lanceolate or narrowly lanceolate, 9–20 × 1–2.5 cm, cartilaginous, abaxially proximally pubescent, otherwise glabrous, secondary veins 4–6-paired, transversal veins conspicuous, margins revolute, apex caudate acuminate. Inflorescence unknown. New shoots May.
Home