Bulb usually solitary, cylindric; tunic brown, pale brown inside, usually irregularly splitting at apex. Leaves linear, longer than scape, 2--3 mm wide, flat. Scape 20--30 cm, terete, finely angled near apex. Spathe 2-valved, persistent. Umbel laxly flowered. Pedicels subequal, ca. 2 × as long as perianth, ebracteolate. Perianth pale yellowish green; outer segments oblong, boat-shaped, ca. 5 mm; inner ones oblong, ca. 5.5 mm. Filaments equal, ca. 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 ovoid, with concave nectaries covered by hoodlike projections at base. Style exserted, ca. 4 mm. Fl. Jul.

* Sunny slopes. C Shandong (Tai Shan).