Caudex branches short to elongate. Stems solitary or ± tufted, (2.5–)3–6 dm; base 2–4 mm diam., septate-glandular. Leaves moderately hairy; basal (6–)10–24 cm, leaflet pairs 2–3; terminal leaflet obovate, 2–5 × 1.5–4 cm, teeth double, (5–)8–12(–15) per side, apex obtuse; cauline 1–3, well developed, leaflet pairs 2–3. Inflorescences 10–20(–30)-flowered, leafy, congested clusters terminating branches, 1/10–1/3(–1/2) of stem, narrow, branch angles 5–20°. Pedicels 1–5 mm, predominantly short-hairy, often velutinous, sparsely to moderately septate-glandular. Flowers opening widely; epicalyx bractlets linear to oblanceolate-elliptic, 2–4(–6) × (0.5–)1–1.5 mm; sepals spreading, 4–7(–9) mm, apex obtuse; petals not overlapping, spreading, cream-white, obovate-elliptic, 2–5 × 1.5–3.5 mm, shorter than sepals; filaments 1–2 mm, anthers 0.5–0.8 mm; styles thickened, 1 mm. Achenes reddish, 1.3 mm.
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