Roots without fleshy, tuberous part. Stolons absent. Leaves glaucous abaxially, narrowly linear, 30--50 cm × (3--)4--5 mm, distinctly 5-veined abaxially, base surrounded by many brown, membranous sheaths, margin serrulate. Scape 30--60 cm. Inflorescence 7--12 cm, many flowered; bracts small, 1--2 mm. Flowers in clusters of 2--4; pedicel (5--)6--8 mm, articulate near or above middle. Tepals purplish red or purple, obovate or obovate-oblong, ca. 3 × 1.5 mm. Filaments ca. 1.2 mm, flat; anthers suboblong or ovate, ca. 1 mm. Style ca. 2 mm; stigma as wide as style. Seeds blackish purple at maturity, subglobose or globose-ellipsoid, 5--6 mm in diam. Fl. Jul, fr. Aug--Sep.

* Moist grasslands, shady and moist rocky places; 1400--2000 m. NE Sichuan.