Flora of North America species comparison

usually prostrate, sometimes ± decumbent, 0.4–2(–3) dm, lengths 1–2 times basal leaves.

decumbent to ascending, sometimes prostrate, 0.6–2.2 dm, lengths 1.5–3 times basal leaves.

pinnate with distal leaflets ± confluent, 2–15(–20) × 1–3 cm;

petiole 0.5–2(–3) cm, straight hairs sparse to abundant, appressed to spreading, 0.5–1.5 mm, stiff, cottony hairs absent, glands absent or sparse;

primary lateral leaflets (3–)5–13 per side, on distal 2/3–3/4+ of leaf axis, separate to overlapping, largest ones cuneate to flabellate, 0.5–1.5(–2) × 0.5–2 cm, distal 2/3 to whole margin palmately or unevenly, rarely pinnately, incised 2/3 to completely to midvein, ultimate teeth or segments (1–)2–10, linear to broadly oblanceolate, 2–10 × (0.5–)1–2 mm, apical tufts to 1 mm, surfaces green to grayish green, not glaucous, straight hairs sparse to abundant, appressed to spreading, 0.5–1.5(–2) mm, stiff, cottony hairs absent, glands sparse to common.

pinnate with distal leaflets ± distinct, 4–10 × 1–2(–3) cm;

petiole 1–3 cm, straight hairs dense, ± appressed, 1–2 mm, stiff, cottony hairs absent, glands absent or sparse;

primary lateral leaflets 5–7(–9) per side (sometimes with additional interspersed leaflets), on distal (1/2–)2/3–3/4 of leaf axis, ± overlapping, largest ones oblanceolate- to obovate-oblong, 0.5–1.5 × 0.4–0.8 cm, distal 3/4 to whole margin pinnately incised nearly to midvein, teeth (5–)7–9, linear-oblanceolate, 2–6 × 0.5–1 mm, apical tufts 1 mm, surfaces grayish green, straight hairs sparse (adaxially) to common, ± appressed, 1–2 mm, stiff, cottony hairs absent, glands absent or obscured.

(0–)1–2.

(1–)2–3(–4).

3–6(–10)-flowered, loosely cymose, sometimes racemiform.

3–15-flowered, ± compactly cymose, opening in fruit.

(0.5–)1–2(–4.5) cm, ± recurved in fruit.

0.7–2(–2.5) cm, straight in fruit.

epicalyx bractlets ± elliptic, 2–4(–6) × 1–2(–2.5) mm;

hypanthium 3–6 mm diam.;

sepals 4–6(–8) mm, apex acute;

petals 4–8(–10) × 3–7(–9) mm;

filaments 2–3.5 mm, anthers 0.7–1 mm;

carpels 10–30, styles (1.5–)2–3 mm.

epicalyx bractlets narrowly elliptic, sometimes doubled, 2–3.5 × 1–1.5 mm;

hypanthium 3–4 mm diam.;

sepals 4–6 mm, apex ± acute;

petals 4–5(–6) × 3–4(–5.5) mm;

filaments 1–2 mm, anthers 1–1.5 mm, often as long as filaments;

carpels 8–20, styles 2 mm.

1.5–2 mm, smooth, often ± carunculate.

1.8 mm, ± smooth, not carunculate.