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Leaf laminae 3–6 &× 0.1–0.2 cm., linear, flat, sometimes scaberulous on both surfaces, sparsely hairy from minute tubercles, scaberulous along the margin.
Rhachis triquetrous, scarcely winged, up to 0.2 mm. broad, smooth, with scabrous margins and basally long white hairs.
Superior glume c.2/3 of the spikelet, oblong-triangular, 3-nerved, glabrous, yellowish green to bluish purple.
Inflorescence composed of 2–4 racemes, 1–4 cm. long, erect, solitary along a short, slender common axis.
Pedicels 2-nate, 1–3 mm. long, triangular to compressed, scabrous, scarcely broadened at the apex.
Inferior glume c.1/10 of the spikelet, rounded, hyaline, yellowish green to bluish purple.
Superior lemma as long as the spikelet, lanceolate, apiculate, bluish purple.
Leaf sheaths sometimes scaberulous, loosely hairy from minute tubercles.
Culms 15–20 cm., strictly erect, glabrous, nodes dark, glabrous.
A loosely caespitose or solitary growing, slender annual.
Spikelets 1.7–2 mm. long, lanceolate.
Ligule 1.5–3 mm. long, truncate.
