Rhizome short, ligneous, obliquely ascending. Culms ca. 30 cm tall, trigonous, smooth, clothed with dark brown and remnant sheaths at base. Leaves shorter than culm, blades ca. 3 mm wide, flat. Involucral bracts long sheathed, lower blades leaflike, upper blades setaceous, shorter than spike. Spikes 4 or 5, singular in an involucral bract sheath, lower spikes remote, upper spikes ± contiguous, androgynous, male part short, oblong-cylindric, 12-15 mm, densely many flowered; lower spikes long pedunculate, upper spikes shortly pedunculate. Female glumes pallid, lanceolate-ovate, greenish 3-veined, apex acuminate. Utricles greenish, suberect, longer than glume, broadly elliptic, plano-convex, ca. 3 mm, membranous, glabrous, several veined, base abruptly contracted, apex abruptly narrowed into a long beak, beak sparsely hispidulous on margins or subsmooth, 2-toothed at orifice. Nutlets tightly enveloped, subobovate, punctate; style base slightly thickened; stigmas 2, short.
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