Leaves
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Leaves numerous, primarily basal, crowded, 1-3 cauline in lower 1/2 of culm, linear, flat, as long as or longer than the culm, (5-)7-18 mm wide, lower surface strongly scabrous on margins and midnerve, apex long-acuminate; sheaths brown.
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Flowers
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Inflorescence an elongated, narrow, interrupted, decompound panicle 15-60 cm long, bearing 5-9 partial panicles, these solitary, pyramidal-ovoid, 3-7 cm long, 2-4 cm wide, many-branched, dense to lax, peduncles 3-7 cm long, scarcely exserted, bracts longer than the subtending partial panicle, the sheath up to 5 cm long, slightly dilated
in upper part, green, tinged brown toward base; spikelets brown to reddish brown, solitary or in groups of 2-3, sessile or short-pedicellate, lanceolate, acute, 7-8 mm long, 1.5-2 mm wide; glumes 6-8, 2-ranked, the middle 3-4 flower-bearing, 2 of them perfect, lower empty ones ovate, the flower-bearing ones chartaceous, oblong-lanceolate to lanceolate-ovate, 5-6 mm long, the slender midnerve prolonged into a short awn; perianth bristles 5-6, 5-7 mm long, much longer than the achene and surpassing the style base, antrorsely scabrous; style base pale brown, subulate-conical, ca. 1.5 mm long, the base nearly as wide as the achene, gradually tapering to a long, filiform, 2-cleft style.
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