Tufted annual; culms 40–80 cm. high, slender, erect or ascending.. Leaf-blades linear, up to 20 cm. long, 7 mm. wide, minutely scabrid on both sides, glabrous or sparsely pilose beneath.. Inflorescence large and open, composed of 8–25 long slender spike-like racemes scattered along the central axis; racemes up to 28 cm. long, ascending at first, later widely diverging from the central axis, straight or slightly flexuous.. Spikelets 2–4-flowered, narrowly elliptic, 3–4.4 mm. long, not or only slightly overlapping; glumes unequal, upper glume exceeding the lowest lemma, lower glume narrowly lanceolate in profile, 1.6–2.3 mm. long, acute, upper glume narrowly oblong-lanceolate in profile, 2.4–3.7 mm. long, acute to obtuse; lemmas elliptic-oblong, 1.4–2.3 mm. long, minutely hairy on the lower part of the nerves, obtuse, entire or minutely 2-or more toothed.. Caryopsis narrowly oblong, 1.2–1.3 mm. long, blackish brown, obtusely trigonous in cross-section, sulcate on the hilar side.
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