Flora of North America species comparison

often sheathed with marcescent whole leaves.

0.2–1.5(–2) dm.

ascending to nearly erect, 0.3–1.5 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.

often both ternate and palmate or subpalmate on same plant, 1–5 cm;

petiole 0.5–3 cm, long hairs sparse to dense, ± appressed to ascending, (1–)1.5–2.5 mm, soft to ± weak, smooth, short hairs absent or sparse, crisped(/cottony) hairs sparse to common, glands absent or sparse;

leaflets 3–5, proximalmost separated by 0–2 mm, central broadly elliptic to obovate, 0.5–2 × 0.3–1.4 cm, petiolules ± 1 mm, distal 2/3 to nearly whole margin incised 2/3–3/5+ to midvein, teeth (2–)3–4 per side, 3–5 mm, apical tufts 1–1.5 mm, abaxial surfaces grayish white to white, long hairs common to abundant, cottony(/crisped) hairs dense, short hairs and glands absent or obscured, adaxial grayish green to gray, long hairs abundant, 1–2 mm, soft (grading to cottony), short/crisped/cottony hairs common to abundant, glands sparse to common.

0–1.

(1–)3–15-flowered.

1–3(–4)-flowered, open, branch angle 20–40°.

0.5–1.5(–2) cm.

1–1.5 cm, proximal to 3 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 lanceolate to ovate, 3–4 × 1–2 mm;

hypanthium 2.5–3.5 mm diam.;

sepals 3.5–5 mm, apex obtuse to subacute, glands sparse to common, often ± obscured;

petals pale yellow, often overlapping, 5–7 × 5–8(–9) mm, distinctly longer than sepals;

filaments 0.5–1.5 mm, anthers ± 0.5 mm;

carpels 30–60, styles 0.8–0.9 mm.

1.5–2 mm, ± rugose.

1–1.3 mm.

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