Bulb solitary, ovoid to ovoid-globose, 1--1.5 cm in diam.; tunic grayish brown to grayish yellow, papery, usually fibrous at apex. Leaves linear, shorter than scape, 1--3(--4) mm wide, flat, adaxially channeled, scabrous-denticulate along angles. Scape 15--40 cm or more, terete, covered with leaf sheaths only at base. Spathe 2-valved, persistent. Umbel hemispheric, densely many flowered. Pedicels subequal, 2--3 × as long as perianth, bracteolate. Perianth purple to purple-red; segments narrowly lanceolate to ovate-lanceolate, (3--)4--5 × 1--1.8 mm, apex acuminate. Filaments equal, 1.5(--2) × as long as perianth segments, connate at base and adnate to perianth segments; inner ones narrowly triangular at base, distinctly wider than outer. Ovary subglobose, with concave nectaries at base. Style slightly exserted. Fl. and fr. Jul--Sep. 2 n = 32*, 48*.
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