Stems usually not branching, 1–3 dm. Leaves: basal persistent, 0.5–2 dm; blade lanceolate, tapering at base, flat, glabrous adaxially. Inflorescences 1–several-flowered. Flowers erect; perianth open, campanulate; sepals lanceolate, 10–12 mm, glabrous, apex acuminate; petals pale lavender, widely obovate, 14–16 mm, adaxial surface ± glabrous, not ciliate; glands not deeply depressed, bordered proximally by wide, ciliate membranes; anthers linear-oblong, apex obtuse or acute. Capsules erect, 3-winged, 1–2 cm. Seeds light brown, irregular. 2n = 20.
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