Flora of North America species comparison

usually absent or inconspicuous, uncolored.

ascending to erect, (0.5–)2–5(–9) dm, hairs at base ± stiff, tubercle-based, glands absent or sparse, inconspicuous.

ascending to erect, (0.5–)2–7(–12) dm.

ternate, rarely palmate, 3–15(–20) cm;

petiole 1–6(–10) cm, long hairs sparse to abundant, spreading to ascending, 1–2.5(–3) mm, usually ± stiff, ± crisped hairs absent or sparse to common, glands absent or sparse, inconspicuous;

leaflets 3(–5), at tip of leaf axis, separate to ± overlapping, largest ones broadly oblanceolate or elliptic to obovate, 1–6(–10) × 0.7–4(–5) cm, distal (1/2–)2/3–3/4+ of margin usually ± evenly incised 1/4–1/3 to midvein, teeth (3–)4–8(–15) per side, surfaces sparsely to moderately hairy, sometimes glabrate or abundantly hairy, glands mostly absent.

usually not in ranks, palmate, rarely subpalmate, 4–40(–55) cm;

petiole (2–)3–25(–45) cm, long hairs sparse to dense, appressed to spreading, 0.5–2(–3) mm, weak to stiff, short hairs absent, crisped hairs usually absent, cottony hairs absent or sparse to abundant (var. owyheensis), glands absent or sparse;

leaflets 5–9, on tip, rarely less than distal 1/10, of leaf axis, separate to overlapping, largest ones oblanceolate to elliptic or obovate, (1.5–)2–9(–11) × (0.7–)1.5–4 cm, margins flat to revolute, distal (2/3–)3/4 to nearly whole length evenly to unevenly incised 1/4–3/4+ to midvein, undivided medial blade 2–20 mm wide, teeth (4–)6–10(–11) per side (sometimes secondarily toothed), linear to broadly lanceolate, 2–20(–35) mm, surfaces ± similar to strongly dissimilar, abaxial green or pale green to white, usually not glaucous, long hairs sparse to abundant (sometimes mostly on veins), short-crisped hairs absent or sparse to abundant, cottony hairs absent or sparse to dense, glands usually absent or obscured to sparse, sometimes common, adaxial dark green to grayish, long hairs sparse to ± abundant, rarely absent or dense, short-crisped hairs absent or sparse, cottony hairs absent or sparse to abundant (var. owyheensis), glands usually absent or sparse to sometimes common.

1–4(–5).

5–40+-flowered.

(4–)10–50(–60)-flowered.

(0.2–)0.5–2.5(–3) cm.

0.3–3 cm.

epicalyx bractlets ± elliptic to narrowly ovate, (3–)4–8(–13) × 1.5–3(–5) mm;

hypanthium 4–7 mm diam.;

sepals 5–8 mm, apex acute to obtuse;

petals yellow, broadly obovate, (2–)3–5 × 2–4 mm;

stamens 15 or 20, filaments 0.7–2 mm, anthers 0.3–0.5 mm;

carpels 60–150, styles 0.7–0.8 mm.

epicalyx bractlets linear to narrowly lanceolate or elliptic, 2–6(–8) × 0.5–1.5(–2.5) mm, hairs sparse to abundant, rarely dense, ± appressed to ascending, rarely spreading, glands usually absent or inconspicuous;

hypanthium 3.5–6 mm diam.;

sepals 4–8(–10) mm, apex acute to long acuminate;

petals (3–)4–10(–11) × (3–)4–10(–12) mm;

filaments (1–)1.5–2.5(–3.5) mm, anthers 0.6–1.2(–1.6) mm;

carpels (15–)20–50, styles ± tapered, papillate-swollen proximally, (1–)1.5–2.5(–3) mm.

tan to brown, 0.8–1.3 mm, usually strongly rugose, without a corky protuberance.

1–1.8 mm.

= 42, 56, 63, 70.