Flora of North America species comparison

0.2–1.5(–2) dm.

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.

petiole 2–7(–17) cm, long hairs common to abundant, 1–2 mm;

central leaflets (0.8–)1.5–3(–5) × (0.6–)1–2(–3) cm, straight hairs common to abundant (sparser adaxially), glands absent or sparse.

(1–)3–15-flowered.

0.5–1.5(–2) cm.

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 ± lanceolate, 2.5–4 × 0.8–1.3 mm;

sepals 4–6.5 mm, apex ± acute;

petals 4–7 × 3–5 mm;

filaments 0.8–2 mm, anthers 0.6–0.9 mm;

carpels numerous.

1.5–2 mm, ± rugose.

1.5 mm.

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

= 28 (Europe).