Description from Flora of China
Bulb solitary or paired, narrowly cylindric or cylindric-conical, 0.4--0.7 cm in diam.; tunic grayish brown, reticulate. Leaves linear or narrowly linear, shorter than scape, 1--3(--4) mm wide, flat, margin scabrous-denticulate. Scape 20--35(--50) cm, slender, terete. Spathe persistent. Umbel hemispheric, many flowered. Pedicels subequal, ca. 2 × as long as perianth, very slender, bracteolate. Perianth pale lilac or pinkish lilac; segments with purple midvein, lanceolate to narrowly elliptic, 3.5--4 × ca. 1.5 mm, apex rounded. Filaments 1.5--2 × as long as perianth segments, connate at base and adnate to perianth segments; outer ones subulate; inner ones with enlarged base wider than long, with 1 or 2 teeth on each side. Ovary subglobose, with concave nectaries at base. Style long exserted; stigma capitate. Fl. Jun. 2 n = 16, 32, (40).
Forests, scrub, meadows, moist slopes; 100--1000 m. Heilongjiang, Jilin, Liaoning, Nei Mongol [Japan, Korea, Mongolia, Russia].