Flora of North America species comparison

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

0.4–2(–3) 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, 3–10 cm;

petiole 1–7 cm, long hairs abundant, spreading to ascending, 1–3 mm, weak, glands abundant;

leaflets 5, central oblanceolate to broadly obovate-cuneate or nearly orbiculate, 1–3 × 0.8–2 cm, scarcely to distinctly petiolulate, distal ± 1/3 of margins evenly incised ± 1/4 to midvein, teeth 2–4 per side, surfaces green, long hairs sparse to abundant, 1 mm, glands ± abundant.

(1–)2–12-flowered.

3–20-flowered.

1–2(–3) cm.

0.5–2.5(–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 lanceolate-elliptic, rarely linear, 1–2(–5) × 0.5–1.5 mm;

hypanthium 2–3.5 mm diam.;

sepals 2–4(–5) mm, apex ± acute;

petals ± paler abaxially, bright yellow adaxially, ± obcordate, (3–)4–7 × 3–6 mm;

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

carpels 5–20, styles 1.5–2.5 mm.

1.5–2.5 mm, smooth to lightly rugose.

1.5 mm, smooth to faintly rugose.

hairs not well differentiated from long hairs, absent or sparse throughout.

= 70.