Bulb solitary or paired, narrowly ovoid-cylindric, 0.4--1 cm in diam.; tunic grayish brown to yellowish brown, reticulate. Leaves linear, shorter than scape, 2--5(--7) mm wide, margin scabrous-denticulate, apex obtuse. Scape 10--45 cm, terete, covered with leaf sheaths for 1/3--1/2 its length. Spathe 2-valved, persistent. Umbel globose, densely many flowered. Pedicels subequal, usually subequaling perianth (rarely ca. 2 × as long), bracteolate. Perianth white to pale yellow, lustrous; segments oblong to ovate-oblong, 4--6 × 1.2--2 mm; inner ones 1.2--1.25 × as long as outer. Filaments equal, 1.2--1.5 × as long as perianth segments, connate at base and adnate to perianth segments; inner ones with an enlarged base longer than wide, 1-toothed on each side. Ovary obovoid-globose, with concave nectaries at base. Style exserted. Fl. and fr. Jul--Aug.
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