Bulb solitary, cylindric, sometimes thickened at base, 0.5--1 cm in diam.; tunic pale brown to brown, thinly leathery, apex laciniate. Leaves linear to broadly so, slightly falcate, usually ca. 1/2 as long as or rarely subequaling scape, 3--10 mm wide, flat. Scape 5--25 cm, terete, covered with leaf sheaths only at base. Spathe 2- or 3-valved, persistent. Umbel hemispheric to globose, densely many flowered. Pedicels subequaling to slightly longer than perianth, ebracteolate. Perianth bright yellow; outer segments oblong-ovate, boat-shaped, 5.5--6.5 × 2.2--3 mm; inner ones oblong-lanceolate, 7--8 × 2--2.7 mm, apex recurved. Filaments subulate, ca. 2/3 as long as inner perianth segments, connate at base and adnate to perianth segments for ca. 1 mm. Ovary ovoid to ovoid-globose, with concave nectaries at base. Style not exserted. Fl. and fr. Jul--Sep.

* Damp slopes, meadows; 3400--4800 m. Gansu, Qinghai, NW Sichuan.