Bulbs clustered, cylindric, sometimes slightly thickened at base, 0.4--1.2 cm in diam.; tunic dark brown, reticulate. Leaves linear, longer than scape, 2--5 mm wide, flat, apex long acuminate. Scape 11--25 cm, terete, finely angled, covered with leaf sheaths only at base. Spathe 1-valved, persistent. Umbel few flowered. Pedicels subequal, 1.5--2 × as long as perianth, ebracteolate. Perianth purple-blue to blue; segments ovate, 5.5--7 × ca. 3 mm; inner ones sometimes slightly longer than outer. Filaments slightly longer than to 1.5 × as long as perianth segments, connate at base and adnate to perianth segments; outer ones subulate; inner ones broadened at base, 1-toothed on each side. Ovary obovoid-globose, with concave nectaries covered by hoodlike projections at base. Style exserted. Fl. and fr. Sep--Oct.

* Sunny slopes; 1300--2300 m. W Hubei, E Sichuan.