Flora of North America species comparison

prostrate to decumbent, rarely weakly erect, 0.3–1.5 dm, lengths 1–2(–3) 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.

not in ranks, palmate, 2–5(–10) cm;

stipules: apex acuminate to acute, rarely obtuse;

petiole 1–6 cm, long hairs common, ascending to appressed, 1–2.5 mm, weak to ± stiff, glands absent or sparse;

leaflets 5–7, central oblanceolate to obovate, (0.8–)1–3 × 0.4–1.5 cm, petiolule 0–2 mm, margins flat, not lobed, distal 1/4–1/2(–2/3) evenly incised ± 1/3 to midvein, teeth 2–4(–5) per side, surfaces similar, green, hairs absent especially adaxially or sparse, 0.5–1.5(–2) mm, glands absent or sparse.

3–5(–6)-flowered.

often recurved, 1–3(–4) cm, not much longer in fruit than in flower.

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, 3.5–5 × 1–1.5 mm, margins flat;

hypanthium 2–4 mm diam.;

sepals 3–5 mm, apex broadly acute to obtuse;

petals yellow, 5–8(–10) × 4–6 mm;

filaments 0.8–2 mm, anthers 0.5–0.8 mm;

carpels 40–60, styles ± columnar, not papillate-swollen proximally, 1 mm.

0.9–1.2 mm.

1.5–2 mm.

= 28, 35, 42, 49, 56, 63, 70, 84 (Europe).