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Slender compactly tufted perennials. Culms erect, striate or ribbed, 11.60 cm high. Leaves: ligule a mostly ciliolate membrane, 0.1.0.3 mm long; blade convolute to involute, sometimes flat and to 2.5 mm wide. Panicles open or contracted, 6.30 cm long, 2.18 cm wide, scabrous; branches flexuose or stiff, usually simple, sometimes divided, divergent, spreading or deflexed, often distant, often short, entirely spikelet-bearing or naked near axils. Spikelets shortly pedicellate, linear-oblong to ovate-elliptic, compressed, 4.12.5 mm long, 1.5.3 mm wide, often olive-green; rachilla zigzagged; florets 8.24, finally loose (exposing rachilla). Glumes persistent, unequal or ±equal, linearlanceolate to oblong or ovate, cartilaginous; lower glume 1.2 mm long; upper glume 1.6.2.8 mm long. Lemma ovate to elliptic, 1.8.3 mm long, obtuse to acuminate, membranous to cartilaginous, scaberulous or granular to smooth; keel and nerves thickened. Palea at least 3/4 as long as lemma; body spathulate or elliptic; keels thick, scaberulous; flaps distinctly narrower than body. Stamens 2 or 3; anthers 0.2.1.3 mm long. Grain scarcely compressed, ovoid-ellipsoid, 0.5.0.8 mm long, obtuse, striate, reddish brown.
Perennial. Culms slender, tufted, erect or geniculate at base, 15–60 cm tall, 0.5–1 mm in diam.,2–5-noded. Leaf sheaths glabrous and smooth, pilose along summit; ligules membranous, ca. 0.2 mm; leaf blades flat or involute, 3–10 cm × 1–3 mm. Panicle 3–18 cm; branches solitary with spikelets at base. Spikelets livid green, purplish or dark brown, oblong-elliptic, 4–20 × 1.5–2.5 mm, 7-to many-flowered, subsessile or with very short pedicel, apex acute. Glumes ovate-lanceolate, 1–2 mm; lower glume 1-veined, ca. 1.2 mm; upper glume 1–3-veined,the laterals usually faint, ca. 1.8 mm. Lower lemmas 2–2.5 mm. Palea slightly shorter than lemma, 1.5–2 mm, ciliolate along keels, apex emarginate. Stamens 3; anthers 0.3–1.3 mm. Caryopsis dark brown, ca. 0.5 mm. Fl. spring.
