| General Information |
| Distribution | In the Hawaiian Islands,
endemic to
Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i.
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Habit
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Perennials; culms forming large tufts, erect, up to 20 dm tall, up to 1 cm in diameter at base, glabrous.
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Leaves
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Sheaths glabrous, pilose or glabrous at throat; ligule a dense row of hairs 0.2-0.4 mm long; blades flat, usually involute toward the slender apex, usually 5-10 mm wide, upper surface scabrous, lower surface glabrous.
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Flowers
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Inflorescences paniculate, open, oblong, up to 50 cm long, the branches widely spaced, fasciculate, ascending, usually bearing spikelets nearly to base, axils pilose, the axis and branches smooth in lower part, scabrous in upper part; spikelets 5-10-flowered, compressed, 5-9 mm long, rachilla internodes ca. 0.8 mm long, scabrous, lateral pedicels ca. 1 mm long; glumes 2.5-3 mm long, scabrous, apex acuminate; lemmas loosely imbricate, exposing rachilla, ca. 3 mm long, glabrous, keel scaberulous, apex acuminate or acute; palea slightly shorter than lemma, keel scabrous-ciliate.
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Fruit
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Caryopsis reddish brown, ovoid to oblong, trigonous, 0.5-1.5 mm long.
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Chromosomes
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2n = 44*
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