Flora of North America species comparison

usually not sheathed with marcescent whole leaves.

0.2–1.5(–2) dm.

ascending to nearly erect, (0.3–)0.5–1.5(–2.5) 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.

usually palmate, rarely also ternate on same plant or subpalmate, 2–6(–8) cm;

petiole 0.5–3.5(–5) cm, long hairs common to abundant, ± ascending to almost spreading, 1–2 mm, weak to ± stiff, scarcely to ± verrucose, short and/or crisped hairs common to abundant, cottony hairs absent, glands sparse to common;

leaflets (3–)5, proximalmost separated by 0–1 mm, central obovate to oblanceolate-elliptic, 0.5–2(–2.5) × 0.5–1(–1.5) cm, petiolules 1 mm, distal 3/4 to nearly whole margin incised 1/2–3/4 to midvein, teeth 2–5 per side, (1–)2–5 mm, apical tufts 0.5–1 mm, abaxial surfaces white, long hairs common to abundant, cottony-crisped hairs dense, short hairs and glands absent or obscured, adaxial grayish green, long hairs common to abundant, 0.5–1.5 mm, ± stiff, rarely soft, short and/or crisped hairs sparse to common, cottony hairs absent, glands sparse to common.

1–2.

(1–)3–15-flowered.

(1–)3–10-flowered, congested or ± elongating in fruit, branch angle 20–35°.

0.5–1.5(–2) cm.

0.2–0.5 cm, proximal to 1.2 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 narrowly elliptic, 1.5–3 × 0.5–1 mm;

hypanthium 3–4 mm diam.;

sepals 2.5–4 mm, apex ± acute, glands abundant, usually not obscured;

petals yellow, ± overlapping, 3.5–5 × 3–4 mm, slightly longer than sepals;

filaments 1 mm, anthers 0.3–0.7 mm;

carpels 20–40, styles 1 mm.

1.5–2 mm, ± rugose.

1 mm.

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