Flora of North America species comparison

0.4–2 dm, lengths 2 times basal leaves.

petiole 1–3.5 cm, long hairs ± abundant, 0.5–1.5 mm, short hairs absent or sparse, rarely common;

leaflets 0.2–1 cm, lobes oblanceolate to narrowly elliptic, (0.5–)1–2 mm wide, longs hairs ± abundant, short hairs absent or sparse, glands sparse to abundant.

palmate, 3–8(–13) cm;

petiole 1.5–5(–8) cm, straight hairs abundant, ± appressed, 1–2 mm, stiff, cottony hairs absent, glands sparse to abundant;

leaflets (3–)5–7(–9), on tip or at least less than distal 1/10 of leaf axis, separate to slightly overlapping, proximal pair separated from others by 0–1 mm of leaf axis, central leaflets narrowly cuneate to oblanceolate, 1–3(–4) × 0.3–0.7 cm, petiolule 1 mm, distal 1/4 or less of margins incised 1/3–2/3 to midvein, teeth 1(–3) per side, separate, 1–2(–4) mm, surfaces similar, green to grayish, straight hairs sparse to common, appressed, 1–1.5(–2) mm, stiff (sometimes softer and wavy), cottony hairs absent, glands sparse to abundant.

4–11-flowered.

0.7–2(–4) cm.

epicalyx bractlets broadly lanceolate to elliptic, 1.5–4(–5) × (0.4–)0.8–1.3 mm;

sepals 2–4(–5) mm, apex ± acute;

petals (3–)4–6 × (2–)3–5 mm;

filaments 1–2(–2.5) mm, anthers 0.4–0.6 mm;

carpels 20–50.

epicalyx bractlets ± lanceolate, 2–4 × 1 mm;

hypanthium 3–4(–6) mm diam.;

sepals 3–4.5 mm, apex acute to obtuse;

petals 5–7 × 3–5 mm;

filaments 1–2.5 mm, anthers 0.6–0.8 mm;

carpels 3–10, styles 2–2.5 mm.

0.9–1.2 mm.

2.5 mm, smooth to slightly rugose.