Herbs perennial. Roots fibrous, thickened at base. Stems ca. 20 cm, slender, sparsely puberulent, simple. Basal leaves ca. 2; petiole slender, 5.5--9 cm, glabrous; blade ovate or broadly elliptic, ca. 1.8 × 1.6 cm, papery, glabrous, base subcordate or rounded, margin unequally 2-or 3-toothed on each side, undivided, or indistinctly 3-lobed, apex slightly obtuse. Stem leaves 2, glabrous, lower one short petiolate, 3-partite, lobes oblong-lanceolate, upper one sessile, 3-sect, segments linear-lanceolate. Flowers solitary, terminal, ca. 1.3 cm in diam. Receptacle puberulent. Sepals 5, elliptic, ca. 7 mm, abaxially appressed puberulent. Petals 5, narrowly oblong, ca. 8 × 2 mm, nectary pit without a scale, apex rounded. Stamens numerous; anthers oblong. Carpels numerous; ovary 0.8--1 mm, glabrous; style 1.2--1.7 mm. Fl. Jul.
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