Plants perennial. Rhizome ca. 1.5 cm in diam. Stems ca. 30 cm tall, branched from base, sparsely covered with a bent pubescence, basally with sheathlike scales. Leaves sessile, ovate to ovate-triangular, 2--4 cm, 2 or 3 × pinnately divided; ultimate segments linear to lanceolate-linear, ca. 1 mm wide. Flowers 3.5--5 cm in diam. Sepals pale purple, slightly shorter than petals, basally pubescent. Petals lanceolate, 1.5--2.5 × 0.3--0.8 cm. Stamens glabrous; anthers oblong, ca. 1.5 mm. Styles very short. Aggregate fruit pendulous, globose, ca. 2 cm in diam. Achenes narrowly obovoid, 3--5 mm, conspicuously reticulate, sparsely pubescent. Fl. May.
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