Plants green to grayish; glands sparse. Stems decumbent to ascending, 1–3.5 dm. Basal leaves (3–)5–15(–18) cm; sheathing base glabrous or sparsely strigose abaxially; stipules ± lanceolate, 2.5–5 mm; petiole (0.3–)0.5–6(–8) cm, hairs sparse to abundant, appressed-ascending, 1–2 mm; leaflets 15–20 per side, loosely overlapping, 2–10 mm, lobes 2–5, oblanceolate, hairs sparse to abundant, spreading to ascending, 1–2 mm. Cauline leaves 3–4. Inflorescences 5–20(–40)-flowered, (1–)1.5–2.5(–4) cm diam., flowers arranged in 1–few ± tight glomerules of 10–15 flowers. Pedicels 1–4 mm. Flowers 7–10 mm diam.; epicalyx bractlets linear to oblong, 1–2(–2.5) mm; hypanthium campanulate, 1–2 × 2.5–4 mm, ± 1/2 as deep as wide; sepals green, 2–3(–3.5) mm, acute; petals ?4(–5)?, light yellow, oblanceolate to spatulate or narrowly obovate, 3–4 mm; stamens 12–16 (4-merous flowers) or 16–20 (5-merous flowers), filaments filiform, 0.6–1.1 mm, anthers yellowish, 0.3–0.5 mm; carpels 4–20, styles 1.4–2 mm. Achenes light brown, 1–1.5 mm.
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