Herbs perennial. Roots fibrous, subequally thick. Stems ca. 32 cm, mostly glabrous, only near apex appressed puberulent, simple. Basal leaves ca. 5; petiole 4--14 cm, sparsely pubescent; blade 3-partite, pentagonal, 2--3.5 × 2.8--5.2 cm, papery, abaxially glabrous, base deeply cordate, central lobe cuneate-rhombic, 3-lobed, lobules 1-or 2-dentate; lateral lobes obliquely flabellate, unequally 2-cleft near middle, incised-dentate. Monochasium terminal, 3-flowered; bracts 2, short petiolate, ca. 4 cm, 3-sect, segments linear, 2--3 mm wide. Flowers ca. 1.5 cm in diam. Pedicel ca. 2 cm, densely appressed pubescent. Receptacle glabrous. Sepals 5, narrowly ovate, ca. 6 mm, abaxially white pubescent. Petals 8, oblong, 8.2--9 × 2.4--3.1 mm, nectary pit without a scale, apex rounded or rounded-obtuse. Stamens numerous; anthers ellipsoid. Carpels numerous; ovary longer than style, glabrous. Fl. Jun.
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