Flora of North America species comparison

absent or inconspicuous, uncolored.

not sheathed with marcescent whole leaves.

mostly ± ascending, 0.5–3(–4.5) dm.

decumbent to ascending, 0.5–2(–2.5) dm.

often 2-ranked, palmate, sometimes subpalmate, 2–20 cm;

petiole (0.5–)1–8(–14) cm, long hairs often absent, sometimes sparse to abundant, usually appressed, 1–2 mm, weak to ± stiff, short, crisped, and cottony hairs absent, glands absent or sparse;

leaflets 5–6(–7), sometimes with 1–2(–4) additional, smaller, entire leaflets, on tip or to distal 1/10(–1/4) of leaf axis, separate, largest ones oblanceolate or cuneate to obovate, 1–4(–6) × 0.5–1.5(–2) cm, margins flat, distal 1/3–1/2(–2/3) ± evenly incised 1/2 or nearly to midvein, undivided medial blade 1.5–7(–10) mm wide, teeth 1–3(–5) per side, broadly lanceolate or linear to narrowly oblong, 1–5(–8) mm, surfaces similar adaxial ± less hairy, ± blue-green, usually glaucous, long hairs sparse to abundant (often restricted to veins, distal teeth, and margins), short, crisped, and cottony hairs absent, glands absent or sparse.

subpalmate, (2–)3–8 cm;

petiole 1–4 cm, long hairs sparse to abundant, ascending to spreading, 0.5–2.5 mm, weak to ± stiff, scarcely to ± verrucose, short-crisped hairs abundant, cottony hairs absent, glands sparse to common;

leaflets (3–)5(–7), proximalmost separated by 1–5 mm, central narrowly obovate-elliptic, (1–)1.5–2.5(–3) × 0.8–1.5 cm, petiolules 0–1 mm, distal 3/4 to whole margin incised 2/3–3/4 to midvein, teeth 5–7 per side, (2–)3–6 mm, apical tufts 0.5–1 mm, abaxial surfaces grayish white to white, long hairs abundant, cottony-crisped hairs usually dense, short hairs and glands absent or sparse, adaxial grayish green, long hairs common to abundant, 1–2 mm, ± stiff, short-crisped hairs abundant, cottony hairs absent, glands sparse to common.

(0–)1–2(–3).

1–2.

2–10(–20)-flowered.

(3–)5–10-flowered, congested or ± elongating in fruit, branch angle 10–30°.

(0.5–)1–3(–6.5) cm.

0.2–1 cm, proximal to 1.5 cm.

epicalyx bractlets lanceolate to elliptic, 2–5 × 0.8–1.2(–1.6) mm, hairs sparse to common, rarely abundant, ± ascending, glands absent or inconspicuous;

hypanthium 3.5–5 mm diam.;

sepals (2–)2.5–4.5(–5) mm, apex acute to short acuminate;

petals (4–)5–10(–12) × 4–9(–10) mm;

filaments 1.5–2.5(–3) mm, anthers 0.4–0.7(–0.9) mm;

carpels 25–40, styles filiform above papillate-swollen base, 1.5–2.5(–3) mm.

epicalyx bractlets ± lanceolate, (2–)3–5(–6) × 0.5–1.5 mm;

hypanthium 3.5–5 mm diam.;

sepals 4–6 mm, apex narrowly acute, glands ± common, only partly obscured;

petals yellow, ± overlapping, (4–)5–6 × 4.5–5.5 mm, longer than sepals;

filaments 0.5–2 mm, anthers 0.7 mm;

carpels 50–70, styles 1.2–1.5 mm.

1.2–1.6 mm.

1.3 mm.