Robust, smooth perennial, 50-150 cm high, bases soft, usually reddish or purple. Leaves erect or in a fan, 40-70 cm, sheath entire eligulate, blade flattened, 10-20 mm wide, margins thin or slightly thickened, smooth. Scapes distally terete to oval or elliptic, mostly 2-edged and ribless, smooth; spikes ovoid to cylindric, 3-3.5 cm, green-brown, bracts in a tight spiral, convex with evident dorsal area, empty ones several, grading larger into the flowering ones, these ovate to obovate or suborbicular, ecarinate, 7-10 mm, narrowly rounded at apex, entire. Lateral sepals free, equilateral, curved, 5-6.5 mm, keel wide, lacerate or lacero-fimbriate from about middle to tip; petals broadly obovate, ca. 5 mm; staminodes bearded; anthers ca. 2.5 mm. Capsule 5.5-6.5 mm, placentation parietal; seeds ellipsoid-fusiform, 0.7-0.9 mm, slightly to evidently farinose, rarely translucent.
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