Rhizome short, stout. Leaves many, tufted, narrowly linear or flattened filiform, 15--20 cm × ca. 1 mm, rigid, glabrous. Scape erect, 20--30 cm, slender, bearing a terminal umbel. Umbel 4--10-flowered; bracts ovate or lanceolate, 3--5 mm, membranous. Pedicels 1--1.5 cm, articulate near base. Tepals blue, suboblong, 7--8 × 1--2 mm, membranous, 3--5-veined; inner ones sometimes fimbriate-denticulate at margin proximally. Stamens 4--5 mm; outer anthers ca. 1.2 mm, inner ones ca. 2.2 mm. Capsule ellipsoid, ca. 4 × 3 mm. Seeds subglobose, ca. 1 mm. Fl. and fr. Jun--Jul.
Rhizome small; roots fibrous. Leaves apparently annual, 3–20, linear, flat to channelled, 5–40 cm long, to 1 mm wide. Inflorescence a single, 3–15-flowered umbel; scape 7–47 cm long, spreading to decumbent, occasionally erect; pedicels 10–25 mm long, articulated below middle, nodding in fruit. Perianth segments 5.5–10 mm long. Sepals linear to narrowly lanceolate, c. 2 mm wide. Petals ovate-elliptic, c. 6 mm wide; fimbriae c. 2 mm long. Stamens 6; 3 outer anthers 1.5–2.5 mm long, 3 inner 2.8–3.5 mm long. Style 2.8–4 mm long. Seeds not seen.