A perennial plant. Bulb of 2 scales, ovoid-globose, 6-13 mm in diam. Stem 15-50 cm. Leaves 4-7, basal 2 usually opposite, others alternate or occasionally subopposite; leaf blade linear to narrowly lanceolate, 3-9 cm × 3-6 mm, apex sometimes slightly curved. Inflorescence 1(or 2)-flowered; bract 1, apex slightly curved. Flower nodding, campanulate or narrowly so; pedicel 2--3 cm. Tepals pale yellow, speckled with blackish purple, narrowly oblong to obovate, 2-3 × 0.6-1.3 cm; nectaries inconspicuous. Stamens ca. 2/3 as long as tepals; filaments papillose. Style scarcely 3-lobed; lobes less than 1 mm. Capsule narrowly winged; wings ca. 1 mm wide.

Antitussive

Flora of China
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The dried bulbs are used for treating coughs, Phthisical (related to pulmonary tuberculosis) coughing, mental depression, resolving masses, scrofula, acute mastitis and pulmonary abscesses.

Jing-Nuan Wu. An Illustrated Chinese Materia Medica. P: 320, Oxford University Press, Inc.2005.