Culms ca. 4 m, to 3 cm in diam., internodes initially green, 30–40 cm, sparsely hispid, slightly coarse, hollow; wall unevenly thickened; nodes weakly prominent; sheath scars prominent. Branches 3 per node. Culm sheaths light yellow-green, proximally sparsely brown setose and slightly powdery, margin ciliate; auricles open; oral setae deciduous, radiate, 1–1.5 cm; ligule truncate or slightly arched, subglabrous or shortly fimbriate, proximally sparsely pubescent; blade reflexed, green, broadly linear-lanceolate. Leaves 3–5 per ultimate branch; sheath margin ciliate; auricles small; oral setae erect; blade linear to lanceolate, 6.5–14 × 1–2.3 cm, glabrous, secondary veins 5-paired. Spikelets solitary, forming simple raceme, pale to green, ca. 11 cm, slender; florets 8–12 pairs. Rachilla 4–5 mm; lemma ca. 1 × 0.5 cm, 9–11-veined, abaxially powdery, glabrous; palea slightly shorter than lemma, apex obtuse; keel ciliate; lodicules 3, abaxially light brown, adaxially transparent, base contracted, clawed. Stamens 6; filaments filiform; anthers ca. 5 mm. Ovary ellipsoid; stigma slender. Fruit unknown.
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A bamboo. The stems are 4 m tall and 3 cm across. The internodes are 30-40 cm long. They are hollow and of uneven thickness. There are 3 branches at each node. There are 3-5 leaves on the end branch. There is a fringe of hair like processes along the edge.
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