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Sessile spikelet: inferior glume c. 4 mm long, elliptic-oblong, with 5 nerves ending below the hyaline truncate apex, pilose on the margins and on the back below, scaberulous on the keels; superior glume c. 4 mm long, ovate, strongly carinate, glabrous; inferior floret empty with ovate carinate lemma ciliate on the keel and margins; superior floret bisexual; lemma hyaline, stipitiform; palea present; awn c. 37 mm long, minutely pilose; anthers c. 0.75 mm long.
Annual; culms up to 150 cm high, geniculately ascending with stilt-roots, barbate at the nodes; leaf sheaths with long tubercle-based hairs at the mouth; ligule membranous with ciliolate to long-ciliate fringe; leaf laminas up to 25 cm × 2–10 mm, linear-lanceolate, somewhat flaccid, contracted at the base and drawn out at the apex into a setaceous point, glabrous on both sides or shortly pilose along the midrib and adjacent nerves; midrib whitish, prominent.
Pedicelled spikelet male; inferior glume c. 5.5 mm long, oblanceolate, 7–10-nerved, pilose in the lower 1/3; superior glume 4–4.5 mm long; superior floret with lemma slightly shorter than the glumes; anthers c. 1.5 mm long.
Annual; culms slender, weak, geniculately ascending, up to 1·5 m. high; nodes strongly bearded
Inflorescence of subdigitate racemes.
