Herbs annual. Scape ca. 3.5 cm, glabrous. Basal leaves ca. 3; petiole 1.4--2.2 cm, glabrous; blade 3-partite or 3-sect, rarely 3-cleft to middle, broadly rhombic or broadly trapeziform-ovate, 2--2.5 × 2.8--2.5 mm, papery or subleathery, glabrous, base broadly cuneate or truncate-cuneate, segments obovate-oblong or obovate-linear, undivided or lateral ones unequally 2-lobed. Flowers solitary, terminal, ca. 0.6 cm in diam. Receptacle glabrous. Sepals 5, obovate-oblong, 2.2--2.6 mm, glabrous. Petals 5, narrowly obovate or oblong-obovate, 3--3.8 × ca. 1.2 mm, nectary pit without a scale, apex rounded. Stamens 4; anthers oblong. Aggregate fruit broadly ovoid, ca. 2.2 × 3 mm. Achene obliquely obovoid, ca. 1 × 0.7 mm, glabrous; style persistent, ca. 0.7 mm. Fl. and fr. Jul.
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