Herbs perennial. Roots fibrous. Rhizome slender; nodes with dormant bulbs; bulbs white, oblong to globose, 5-8 × 4-5 mm, bulb leaves scalelike, 12-18 cm, delicate. Flowering stems erect, slender, 1-1.6 cm. Leaves opposite proximally on stem, 4-verticillate at middle, alternate at apex; leaf blade narrowly linear, 1.2-3 × 0.1-0.2 cm, base shortly spurred, apex obtuse. Cyme 3-branched, few flowered; bracts linear, longer than flowers. Flowers sessile, unequally 5-merous. Sepals brown spotted, narrowly triangular-lanceolate, 2-2.5 × 0.8-1 mm, base very shortly spurred, apex obtuse to acute. Petals linear-lanceolate, 6-7 × ca. 1 mm, base somewhat broad, apical mucro ca. 0.3 mm. Stamens 10; antesepalous ones 4.5-5 mm; antepetalous ones ca. 3.5 mm, inserted ca. 1 mm from petal base; anthers oblong-ovoid, ca. 1 mm, apex obtuse. Nectar scales subspatulate, ca. 0.4 mm, apex rounded. Carpels divergent, oblong, base connate for ca. 1.5 mm. Follicles many seeded. Seeds oblong, basal appendage saccate. Fl. Apr-Jun, fr. Jul-Aug.
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