| General Information |
| Distribution | Indigenous to the Caroline Islands and Hawai`i.In the Hawaiian Islands,
indigenous to
Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i.
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Habit
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Densely tufted perennials forming large clumps, rhizomes short; culms slender, trigonous, rigid, 30-70 cm tall.
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Leaves
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Leaves numerous, folded, stiff, dark green, narrowly linear, slightly shorter than to as long as the culm, 2-3
mm wide, gradually tapering to a long-acuminate apex; sheaths brown to dark brown, ventrally disintegrating into somewhat reticulate fibers.
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Flowers
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Inflorescence a panicle 10-25 cm long, pendent in upper part, 4-6-nodose, panicle branches 1-4 per node, spikes 2-3 per inflorescence branch, sometimes spikes solitary, androgynous, cylindrical, 2-4 cm long, ca. 3 mm wide, peduncles filiform, long-exserted, 1.5-3 cm long; bracts up to 10 cm long, lower ones longer than their subtending spikelets but much shorter than the inflorescence, sheathing at base; pistillate glumes pale brown, hyaline, ovate-elliptic, 2.5-3 mm long, distinctly keeled, apex subacute or subobtuse; perigynium suberect, membranous, narrowly ovoid to lanceoloid, biconvex, 3-4.5 mm long, 1-1.5 mm wide, 9-12-nerved, hispidulous primarily along both edges, apex gradually narrowed to a slender beak ca. 1/2 as long as the body, orifice bifid with sharp teeth ca. 0.6 mm long, base short-stipitate; stigmas 2.
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Fruit
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Achenes narrowly ellipsoid, lenticular.
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