Herbs perennial, hairy throughout. Roots conic, branched at base. Stems densely clustered, yellow, 5--8 cm, white villous. Leaves sessile (rarely petiole 2--3 mm), ovate or ovate-orbicular, 5--10 × 2--5 mm, adaxially sparsely brown hairy, base cuneate, margin thick, ciliate, apex cuspidate or acuminate. Flower solitary, terminal. Pedicel 5--10 mm, white villous. Sepals 5, elliptic or orbicular-lanceolate, 7--8 mm, sparsely hairy abaxially, margin thick, ciliate, apex acuminate. Petals 5, white, obovate or broadly so, 9--10 mm, apex obtuse. Stamens 10; filaments shorter than sepals; anthers dark green or black. Ovary ovoid. Styles 3, linear. Fl. Jul--Aug.
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