Herbs, perennial, cespitose or solitary, 15--80(--100) cm, base abruptly bulbous. Stems compact. Leaves ascending to erect, 20--50 cm; sheath base often reddened or pink; blade green, elongate-linear, twisted, 2--5 mm wide, smooth to papillate, with strongly raised veins, margins smooth or papillate. Inflorescences: scape sheaths exceeded by leaves; scapes linear, flexuous, 1--1.5(--2) mm wide, distally 5--6-ribbed, ribs smooth or papillate; spikes globose to ovoid, ellipsoid, lanceoloid, or cylindric, 8--25 mm, apex acute or blunt; fertile bracts 5--7 mm, margins entire except for red fimbriololation at rounded apex. Flowers: lateral sepals included, strongly curved, 4.5--5.5 mm; keel firm, ciliate except for red-fimbriloolate tip; petals unfolding in morning, blade obovate, 4 mm; staminodes bearded. Seeds translucent, ellipsoid, 0.5 mm, strongly ridged longitudinally with finer cross-lines. 2n = 18.
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