Stem rhizomelike, elongate, 4--10 mm thick, stout, with dense nodes and relatively slender, hairy roots. Leaves somewhat crowded and subterminal, grasslike, 25--55 cm × (4--)7--11 mm, 5--9-veined, margin distinctly denticulate, white membranous at base. Scape 15--20 cm. Inflorescence a reduced panicle, 7--8 mm, many flowered; bracts lanceolate to subulate, broadly membranous at margin, basal one 2--4 cm. Flowers usually paired; pedicel 3--5 mm, articulate near middle. Tepals white, ovate to ovate-lanceolate, 8--9 × 2--2.5 mm, inner ones slightly narrower than outer. Filaments distinct, ca. 1 mm; anthers 4--6 mm. Style ca. 7 mm. Seeds ellipsoid, ca. 9 mm in diam. Fl. Jun--Jul, fr. Aug--Sep.
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