Plants tufted to ± matted, usually grayish to grayish green. Stems ascending to erect, (1–)2–7 dm, hairs ascending to appressed. Basal leaves ± planar, (4–)8–20(–30) × 0.8–2(–3) cm; stipules entire; leaflets 7–14 per side, separate to ± overlapping at least distally, cuneate to flabellate, (3–)5–15(–22) × 3–10(–15) mm, ± 1/2 to as wide as long, divided ± 1/3 to midrib into (3–)5–10 acute to obtuse teeth, densely (to sparsely) strigose or pilose. Cauline leaves (2 or)3–6(–8). Inflorescences ± open to congested, flowers arranged individually or in glomerules. Pedicels (1–)2–8 mm. Flowers 10–15 mm diam.; epicalyx bractlets lanceolate to narrowly elliptic, 2–3.5(–4) × 0.5–1 mm, ± 3/4 length of sepals, entire; hypanthium 1–1.5(–2) × 2.5–4.5(–6) mm, less than 1/2 as deep as wide, interior pilose; sepals spreading to ± reflexed, lanceolate, (2.5–)3–5(–5.2) mm; petals oblong to oblanceolate, 4–5.5 × 1.2–2.5 mm, apex rounded to truncate or slightly emarginate; filaments 0.5–2 × 0.5–1 mm, anthers 0.6–1 mm; carpels 20–50(–120); styles 2–4 mm. Achenes light to dark brown, 1–1.5 mm, smooth or roughened.
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