Flora of North America species comparison

0.2–1.6 dm, lengths 1/2–3(–4) times basal leaves.

(2–)3–7(–10) dm.

usually palmate to subpalmate, sometimes subpinnate, 1(–2) pair of leaflets separate from terminal leaflets, distal leaflets distinct, 2–10(–15) cm;

petiole 1–7(–10) cm, straight hairs ± abundant, ± appressed, 1–3 mm, stiff to weak, cottony hairs present, sometimes absent;

leaflets 5(–7), on tip or to distal 1/4 of leaf axis, separate to ± overlapping, proximal pair separated from others by 0–5(–10) mm of leaf axis, central leaflets narrowly oblanceolate to obovate, 1–3(–7) × 0.4–1.2 cm, petiolules 0–2(–4) mm, distal 1/4 to whole margin incised 1/4–3/4+ to midvein, teeth (1–)2–5(–10) per side, separate, 1–6 mm, surfaces strongly to ± dissimilar, abaxial grayish to white, straight hairs ± abundant, ± appressed, 0.5–2 mm, weak to stiff (especially on veins), cottony hairs ± dense, rarely sparse, glands sparse or obscured, adaxial green to grayish, straight hairs common to abundant, appressed, 0.5–2 mm, mostly stiff, sometimes weak or mixed, cottony hairs absent or sparse, rarely common, glands ± sparse.

palmate, (2–)4–15(–30) cm;

petiole (2–)3–10(–25) cm, long hairs sparse to common, spreading, 1–3.5 mm, weak, glands sparse to abundant, sometimes absent;

leaflets 5(–7), at tip of leaf axis, central one (1–)2–6(–8) × (0.5–)1–2.5(–4) cm, petiolules 0(–10) mm, distal 3/4 to whole margin incised 1/5–1/4 to midvein, teeth (4–)7–15(–19) per side (sometimes secondarily toothed), (1–)2–3(–5) mm, teeth apex acute to ± obtuse, surfaces slightly to strongly dissimilar, abaxial pale green to white, straight hairs sparse to abundant, often dense on veins, 0.5–3 mm, cottony hairs absent or sparse to dense, glands ± sparse or absent, sometimes obscured, adaxial green, straight hairs sparse to abundant, 0.2–1 mm, cottony hairs absent, glands ± sparse or absent.

stipules usually toothed, sometimes entire.

(1–)2–12-flowered.

(4–)10–35-flowered.

1–2(–3) cm.

0.5–4 cm.

epicalyx bractlets lanceolate to narrowly ovate to linear-elliptic, sometimes doubled, (2–)2.5–5 × 1–1.5 mm;

hypanthium 3–6 mm diam.;

sepals 3.5–6 mm, apex acute;

petals (2.5–)4–9 × (2–)3–7 mm;

filaments 1–3 mm, anthers 0.5–1 mm;

carpels (7–)10–30, styles (1–)1.5–2 mm.

epicalyx bractlets narrowly to broadly lanceolate-elliptic (rarely toothed or lobed), 4–9(–14) × (1–)1.5–2 mm;

sepals 4–10(–15) mm, apex acute to acuminate;

petals ± dark reddish throughout, (3.5–)6–10 × 6–10 mm;

filaments 1.5–3 mm, anthers 0.8–1 mm;

carpels 30–70, styles 2.5–3.5 mm.

1.5–2.5 mm, smooth to lightly rugose.

1.5 mm, ± rugose.

= 70.