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Tufted annual; culms 15–35 cm. high, erect or ascending, somewhat wiry.. Leaf-blades flat, up to 10 cm. long and 4 mm. wide.. Panicle narrowly lanceolate, 6–18 cm. long, contracted but scarcely spiciform, the branches with or without oblong glands (but not sticky).. Spikelets 5–14-flowered, narrowly oblong to ovate, 2–4.5 mm. long, purplish, neither fluffy nor grouped into clusters, breaking up from the apex, the rhachilla fragile; glumes narrowly ovate, 1–1.5 mm. long, acute; lemmas oblong-elliptic, 1–1.5 mm. long, smooth or scaberulous, broadly obtuse, ± obscurely mucronate; palea-keels ciliate, the hairs 0.4–0.5 mm. long, a little more than the width of the adjacent lemma; anthers 3, 0.3–0.4 mm. long.. Caryopsis ellipsoid, 0.5 mm. long.
Loosely tufted, erect annual to 350 mm high; culm with yellowish, non-sticky glands below nodes. Leaf blade 30-100 x to 4(6) mm. Inflorescence contracted, dense; branches adpressed to main axis, lowest branches not whorled; spikelets close to one another but evenly spaced, glands if present not sticky. Spikelet 2.0-4.5 x 1.0-1.8(2.5) mm; rachilla fragile, lemmas and paleas breaking up from apex downwards; glumes unequal, 1-2 mm long; lemma 1.0-1.5 mm long, broadly obtuse, mucro present or absent, keel smooth or scaberulous, lateral nerves distinct; palea keels wingless, hairs 0.3-0.8 mm long, bulbous-based; hairs exserted from lemma; anthers 2-3 (number variable in the same inflorescence), 0.3-0.4(1.0) mm long; caryopsis elliptic.
Annual, loosely tufted (erect), up to 350 mm tall. Leaf blades up to 100 mm long, up to 4 mm wide. Spikelets 2-4 mm long, 1.0-1.8 mm wide. Inflorescence contracted, dense, branches appressed to main axis, spikelets close to one another, glands if present not sticky; spikelet with rhachilla fragile, lemmas and/or paleas breaking up from apex downwards; lemma keels smooth or scaberulous; palea keels with hairs 0.3-0.6 mm long, which are exserted from lemma; anthers 2 or 3 (number variable in the same inflorescence), 0.3-0.4 mm long.
Panicle 4–22 cm long, narrowly lanceolate to linear-oblong, contracted and dense with ascending branches but scarcely spiciform, the spikelets crowded but evenly distributed on short pedicels 0.6–2 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, the branches and pedicels with ± oblong non-sticky glands.
Loosely caespitose annual; culms up to 50 cm tall, erect or ascending, wiry, branched or unbranched, glabrous at the nodes, with a faint ring of coalescent yellowish non-sticky glands below the nodes; leaf sheaths eglandular; ligule a line of hairs; leaf laminas 3–15 cm × 2–4(6) mm, linear, flat or involute, glabrous, eglandular, glaucous or green.
Caryopsis 0.5–0.7 mm long, elliptic.
Tufted annual 15–45 cm. high
