Bulb usually solitary, rarely paired, narrowly ovoid-cylindric to subcylindric, 1--2(--2.5) cm in diam.; tunic red-brown, lustrous, thinly leathery, laciniate. Leaves shorter than scape, 1--2.5 mm wide, terete to semiterete, fistulose, adaxially channeled. Scape 30--80 cm, terete, solid, covered with leaf sheaths only at base. Spathe 2-valved, persistent. Umbel globose, densely many flowered. Pedicels subequal, 2--4 × as long as perianth, ebracteolate. Perianth pale yellow or white; segments ovate-oblong, 4--5 × 1.8--2.2 mm; inner ones slightly longer. Filaments subulate, equal, 1/4--1/2 as long as perianth segments, connate at base and adnate to perianth segments. Ovary obovoid, with concave nectaries covered by hoodlike projections at base. Style exserted. Fl. and fr. Jul--Sep. 2 n = 16*.

Slopes, meadows; near sea level to 2000 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shandong, Shanxi [Korea, Mongolia, Russia].