Flora of North America species comparison

± prostrate, sometimes ascending in supporting vegetation, 1.5–5 dm, lengths 2–3 times basal leaves.

petiole 1–3.5 cm, long hairs ± abundant, 0.5–1.5 mm, short hairs absent or sparse, rarely common;

leaflets 0.2–1 cm, lobes oblanceolate to narrowly elliptic, (0.5–)1–2 mm wide, longs hairs ± abundant, short hairs absent or sparse, glands sparse to abundant.

pinnate with distal leaflets ± confluent, 5–12(–18) × 1–1.5(–2) cm;

petiole 0.5–1(–1.5) cm, straight hairs absent, cottony hairs absent, glands absent or sparse;

primary lateral leaflets (5–)10–15(–20) per side, on nearly whole leaf axis, ± overlapping, largest ones (or leaflet lobes) elliptic, 0.4–1(–2) × 0.2–0.5(–1) cm, simple and entire or 2(–3)-fid to base (sometimes shallowly toothed as well), segments 1–2(–3), narrowly to broadly elliptic, 4–10(–20) × (1–)2–3 mm, apical tufts absent or less than 0.5 mm, surfaces green, glaucous, straight hairs absent or sparse to common, tightly appressed, 0.5 mm or less, stiff, cottony hairs absent, glands absent or sparse.

2–4.

(5–)10–20-flowered, loosely cymose.

0.8–3(–4) cm, straight to ± recurved in fruit.

epicalyx bractlets broadly lanceolate to elliptic, 1.5–4(–5) × (0.4–)0.8–1.3 mm;

sepals 2–4(–5) mm, apex ± acute;

petals (3–)4–6 × (2–)3–5 mm;

filaments 1–2(–2.5) mm, anthers 0.4–0.6 mm;

carpels 20–50.

epicalyx bractlets lanceolate-elliptic to ovate-elliptic, 1.5–2.5(–3) × 1 mm;

hypanthium 2–5 mm diam.;

sepals (3–)4–5(–6) mm, apex acute to acuminate;

petals (3.5–)4.5–6.5 × 2.5–4 mm;

filaments 1.5–3 mm, anthers 0.6–0.8 mm;

carpels 3–10, styles 2–2.5 mm.

0.9–1.2 mm.

1.8–2.2 mm, smooth to ± rugose, not carunculate.