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Pedicelled spikelet neuter, shorter than the sessile; glumes similar to those of the sessile spikelet but less coriaceous and less spinulose; inferior glume c. 5 mm long, sparingly aculeolate along the keel towards the apex or almost smooth; superior glume smooth with flexible ciliate margins; inferior lemma hyaline with ciliate margins.
A grass. It forms clumps and keeps growing from year to year. It grows 1.5-3 m high. The leaf blades are 90 cm long by 7 mm wide. The flower panicle is 15-40 cm long. It is sword shaped. There are 8-10 rings of flowers with up to 15 flowers on each.
Panicle 15–40 cm long, lanceolate; main axis minutely ciliolate; whorls 8–10 each with up to 15 racemes; racemes very slender; rhachis internodes longer than the spikelets, glabrous; pedicels shorter than the sessile spikelets, glabrous.
Caespitose perennial; culms 150–300 cm high, unbranched, the uppermost nodes exposed, glabrous; ligule scarious with shortly ciliate margin or a line of hairs on an extremely short scarious rim; leaf laminas up to 90 cm × 7 mm, narrow.
