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Coarsely tufted annual 200-1 200 mm high; basal sheaths loosely pubescent, rarely splitting into fibres; culm erect or geniculately ascending. Leaf blade 30-300 x 3-16 mm. Inflorescence of (2)5-6(-10) racemes 10-60 mm long. Spikelet 3.5-6.0 mm long, lanceolate to narrowly ovate; lower glume 2/3 as long as spikelet, 5-nerved, without stiff hairs on the back, apex narrowly rounded; upper glume 7-nerved, without cross-veins, glabrous or pubescent; lower lemma sometimes with a fringe of stiff hairs near the margins; upper lemma shortly awned, awn ± 1 mm long; anther 1.3-2.0 mm long.
Annual, coarsely tufted (culms erect or geniculately ascending), up to 1.2 m high. Leaf blades 30-300 mm long, 3-16 mm wide. Spikelets 3.5-6.0 mm long. Racemes (2-)5-6(-10), 10-60 mm long; spikelets narrowly ovate; lower glume two-thirds the spikelet length, 5-nerved, tip narrowly rounded and without stiff hairs on back; upper lemma shortly mucronate, mucro ± 1 mm long.
Annual; 0.2-1.2 m high; coarsely tufted. Leaf blades 30-300 x 3-16 mm. Flowers: in spaced; digitate inflorescences; racemes (2-)5-6 (-10); 10-60 mm long; spikelets 3.5-6.0 mm long; narrowly ovate; lower glume 2/3 as long as spikelet; 5-nerved; apex narrowly rounded; without stiff hairs on back; upper glume 7-nerved; upper lemma shortly mucronate; mucro ± 1 mm long.
A herb. It is an erect annual grass. It forms tussocks. It grows up to 1.2 m high. The leaf blades are broadly oval or sword shaped and 3-30 cm long by 3-16 mm wide.
Coarse annual, the basal sheaths loosely pubescent.
Otherwise like U. oligotricha.
