Rhizome covered with remains of old leaves. Radical leaves few; stipules ovate, tiny, margin long ciliate, apex rounded; petiole 1–2 cm, spreading villous; leaf blade interrupted pinnate, 5–10 cm; leaflets in 4–6 pairs, laxly arranged, sessile, obovate-flabellate, nearly 3-lobed, 0.6–1.2 × 0.5–1.5 cm, terminal one largest, lateral ones variouly sized, both surfaces and margin densely appressed villous; lobes broadly cuneate at base, margin irregularly serrate, apex rounded; cauline leaves ca. 3, sessile, oblong-ovate, 3-lobed, 1–1.5 cm × 4–5 mm. Flowering stems 2 or 3, erect, branched distally, 15–30 cm tall, pubescent; bracts ovate-lanceolate, 3–5 mm, pilose, margin several serrate, apex acute. Flowers ca. 1 cm in diam.; pedicel 1.5–2 cm. Hypanthium obconic, 2–3 mm, abaxially pubescent. Sepals ovate-triangular, ca. 2 mm, pubescent, margin ciliate, apex rounded; epicalyx segments linear-oblong, ca. 1 mm, margin ciliate, apex rounded. Petals white, obovate, 5–7 mm, glabrous, base shortly clawed, apex truncate or emarginate. Filaments shorter than petals, base pilose. Carpels ca. 4; ovary ovoid, apically thickened, papillate; style slightly thickened at base, villous. Achenes brown, ovoid or obovoid, 2–3 mm, densely papillate. Fl. and fr. Apr.