Flora of North America species comparison

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

0.5–2(–2.7) dm, lengths 1–2(–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.

usually palmate, sometimes subpalmate, 3–12(–15) cm;

petiole 1–6(–13) cm, straight hairs ± abundant, ± appressed, 1–1.5 mm, stiff, cottony hairs absent, glands absent or sparse;

leaflets (3–)5, usually on tip, sometimes to distal 1/4 of leaf axis, ± overlapping, proximal pair separated from others by 0–10 mm of leaf axis, central leaflets ± obovate, 1–2.5(–4) × (0.5–)1–1.5(–2) cm, petiolule 0–2 mm, distal 1/2+ of margins incised 3/4+ to midvein, teeth 2–5 per side, separate, 3–10(–14) mm, surfaces similar, green to grayish, straight hairs sparse to abundant, appressed, 1–1.5 mm, usually stiff, short crisped hairs sometimes present, cottony hairs absent, glands absent or sparse.

(0–)1–2.

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

(1–)2–6(–10)-flowered.

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

1–3(–4) cm.

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 lanceolate-elliptic to narrowly ovate, 2–4 × 1–1.5 mm;

hypanthium 3–5 mm diam.;

sepals 3–5(–6) mm, apex ± acute;

petals (2.5–)5–7 × (2–)4–5 mm;

filaments 1–2 mm, anthers 0.6–1 mm;

carpels 5–20, styles 2–3 mm.

1.5–2 mm, smooth, often ± carunculate.

2–2.5 mm, smooth.