Flora of North America species comparison

sometimes sheathed with marcescent whole leaves.

decumbent to ascending, (0.2–)0.5–1.5(–2.2) dm.

ascending to erect, 2–5 dm.

usually palmate, rarely also ternate on same plant or subpalmate, (1–)2–6(–8) cm;

petiole (0.5–)1–2.5 cm, long hairs abundant to dense, ± appressed, 0.5–1.2 mm, stiff, verrucose, crisped hairs common, cottony hairs absent, glands sparse to abundant but usually obscured;

leaflets (3–)5–7, proximalmost separated by 0–2 mm, central ± obovate, (0.5–)1–1.5(–2) × (0.3–)0.5–0.8(–1) cm, petiolules 0–1 mm, distal 3/4 to nearly whole margin incised 3/4+ to midvein, teeth 2–4(–5) per side, (2–)3–6(–10) mm, apical tufts 0.5 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 abundant, 0.5–1.5 mm, ± stiff, short-crisped (rarely ± cottony) hairs sparse to common, glands absent or sparse.

palmate or ternate.

1–3.

3–8, proximal ones (3–)5–14 cm;

proximal petioles (1–)2–10 cm, long hairs sparse to common, spreading to loosely appressed, 1–2 mm, weak, short or crisped hairs sparse to common, cottony hairs absent, glands absent or sparse;

leaflets usually 5, central one oblanceolate to obovate, 2–4.5 × 1–2.5 cm, margins ± flat, distal 3/4+ usually unevenly, sometimes evenly, incised 1/3–2/3 to midvein (often with 1–2 incisions nearly to midvein), teeth 5–10 per side, surfaces similar or ± dissimilar, abaxial green to grayish green, long hairs sparse to common (especially on veins), 0.5–1.5 mm, soft to weak, short or crisped hairs ± sparse, cottony hairs absent, glands absent or sparse, adaxial long hairs absent or sparse, 1 mm, short hairs absent or sparse, crisped and cottony hairs absent, glands absent or sparse.

(1–)3–10(–20)-flowered, congested or ± elongating in fruit, branch angle 5–30°.

20–100+-flowered.

0.2–0.7 cm, proximal to 1.3 cm.

0.5–1.5(–2.5) cm.

epicalyx bractlets narrowly elliptic, (1–)1.5–2.5(–3) × 0.5–1 mm;

hypanthium 3–4 mm diam.;

sepals 2–4(–5) mm, apex obtuse to bluntly acute, glands sparse, obscured;

petals pale yellow, not overlapping, 2–4 × 2–3 mm, ± equal to sepals (slightly longer than in Inyo County);

filaments 1–1.5 mm, anthers 0.3–0.5 mm;

carpels 30–50, styles 1–1.2 mm.

epicalyx bractlets lanceolate to ovate or elliptic, 2–5 × 0.8–1.5 mm, lengths usually 2/3, sometimes 1, times sepals;

sepals 3.5–6.5 mm, apex ± acute;

petals 3–5 × 2–3 mm;

filaments 0.8–2 mm, anthers 0.3–0.5 mm;

carpels 40–70, styles 1–1.2 mm, scarcely papillate-swollen proximally.

1–1.4 mm.

1 mm, rugose.

= 28, 56 (Eurasia).