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Annual; culms slender, 5–30 cm. long, usually trailing.. Leaf-blades lanceolate to narrowly ovate, 1–4 cm. long, 3–10 mm. wide, delicate, flaccid.. Inflorescence of 2–9 racemes, each 1–2 cm. long; internodes long-ciliate, the hairs attaining 1–2(–3) mm. towards the summit.. Sessile spikelet linear, 2–3(–5) mm. long; lower glume membranous, strongly convex on the back, scaberulous; upper glume produced into a fine bristle 0.5–1.5 mm. long; awn 6–10 mm. long; 2 anthers 0.3–0.6 mm. long.. Pedicelled spikelet lanceolate, 1–2(–3) mm. long, rarely quite suppressed.
Similar to A. micans but differing by the following characters: culms 10–30 cm high; leaf laminas 1–3 cm × 3–7 mm; racemes 1–3, 0.5–2 cm long, not terete, greenish-yellow; internodes with hairs seldom over 0.5 mm long; pedicel present or absent; sessile spikelet 3–5 mm long; inferior glume flat on the back, linear, scaberulous; superior glume ± flat on the back, produced at the apex into a fine awn 0.5–1.5 mm long; awn of superior lemma 7–10 mm long; anthers 0.4–0.6 mm long; pedicelled spikelet lanceolate, 1.5–2 mm long or totally suppressed.
A delicate trailing annual with slender culms
