Culms to 2 m, to 0.8 cm in diam.; internodes initially green, 25–30 cm, glaucous below nodes, glabrous; nodes prominent, sheath ring with persistent remains of sheath base. Culm sheaths retrorsely setose, margins ciliate; auricles weak or absent, oral setae radiate; ligule prominent, 2–3 mm, glabrous; blade conical, striate, margins ciliate. Leaves 1(or 2) per ultimate branch; blade abaxially light green, adaxially green, lanceolate, 12–17 × 1.2–2.2 cm, abaxially pubescent near midrib, adaxially glabrous, secondary veins 4-or 5-paired, one margin serrulate, other margin entire. Inflorescence paniculate, 12–19 × 7–9 cm. Spikelets 5–7 mm; florets 3–5. Glumes 2; lemma ca. 3 mm, 5-veined; palea longer than lemma, not veined; lodicules 3, ovate, not veined. Stamens 3; filaments short; anthers yellow. Ovary 3-angled or ovoid, glabrous; stigmas 2, usually united, compressed, slender. New shoots Oct–Nov.
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A bamboo or rattan. It grows 2 m tall. The culms are 8 mm across. The internodes are 25-30 cm long. There is one leaf on the last branch. The leaf blade is 12-17 cm long by 1-2 cm wide. It is pale green underneath.
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