Flora of North America species comparison

0.2–1.5(–2) dm.

prostrate to ascending, 2–5(–7) dm, lengths 1–2 times basal leaves.

palmate, rarely ternate, (1–)2–7(–18) cm;

petiole (0.5–)1–5(–11) cm, long hairs sparse to abundant, ± spreading (to ascending), 1–3(–4) mm, ± weak, glands ± abundant;

leaflets (3–)5(–7), central flabellate to obovate-cuneate or oblanceolate, (0.5–)1–3(–8) × 0.5–2 cm, not or ± petiolulate, distal 2/3–3/4 of margins evenly to unevenly incised 1/5–3/4 to midvein, sometimes deeply lobed as well, teeth 2–9 per side (some secondarily toothed as well), surfaces green, long hairs sparse to common, 1–2 mm (late-season leaves and adaxial surfaces sometimes nearly glabrate), glands sparse to abundant.

pinnate with distal leaflets ± confluent, 10–22 × 1.5–3.5 cm;

petiole (2–)4–10 cm, straight hairs absent or sparse, appressed, 0.5–1.5 mm, stiff, cottony hairs absent, glands absent;

primary lateral leaflets 3–8 per side, on distal 1/3–2/3 of leaf axis, ± separate, largest ones cuneate to obovate, 1–2.2 × 0.8–1.5 cm, distal 1/3–2/3 of margin ± evenly incised ± 1/2 to midvein, ultimate teeth 3–6, ± ovate, 2–6 × 1.5–3 mm, apical tufts absent, surfaces green, not glaucous, straight hairs sparse to nearly absent (except on margins), ± appressed, 0.5–1 mm, stiff, cottony hairs absent, glands absent or sparse.

1–3.

(1–)3–15-flowered.

3–10(–20)-flowered, very openly cymose, sometimes racemiform.

0.5–1.5(–2) cm.

1.5–3.5(–5) cm, ± recurved in fruit.

epicalyx bractlets lanceolate-elliptic, 1.5–3(–5) × 0.5–1.5 mm;

hypanthium 2.5–4 mm diam.;

sepals (2.5–)3–5(–6) mm, apex ± acute;

petals nearly white abaxially, pale yellow adaxially, narrowly obcordate, 3–6(–8) × 2.5–5 mm;

filaments 1.5–2.5 mm, anthers 0.5–1 mm;

carpels 4–12, styles 2–3 mm.

epicalyx bractlets ovate-elliptic, 2.5–4(–5) × 1.5–3 mm, sometimes toothed;

hypanthium 4–6 mm diam.;

sepals 4–6(–7) mm, apex acute, rarely acuminate;

petals 4.5–10 × 4–10 mm;

filaments 1.5–3(–4.5) mm, anthers 0.7–1 mm;

carpels 5–10, styles 2–3 mm.

1.5–2 mm, ± rugose.

1.8–2 mm, smooth to faintly rugose, possibly carunculate.

hairs well differentiated from long hairs, ± abundant to dense throughout.