Herbs perennial. Roots branched, slender; lateral roots pale brown. Stems 10--20 cm, white glandular pubescent. Basal leaves shortly petiolate; leaf blade linear-saccate or saccate, 1--2 cm × 3--5 mm, glabrous, base cuneate, apex obtuse. Cauline leaf blade linear-lanceolate or lanceolate, base cuneate, margin ± ciliate, apex acute. Flower solitary, terminal. Pedicel 1--5 mm, robust, glandular hairy. Sepals 5, green or violet, lanceolate, 4--5 mm, ± glandular hairy abaxially, inconspicuously 3-veined, margin narrowly membranous, apex obtuse. Petals 5, white, obovate, ca. 2 × as long as sepals, apex entire. Stamens 10; filaments slightly longer than sepals; anthers yellow. Ovary ovoid. Styles 2, linear. Fl. Jun--Jul.
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