Flora of North America species comparison

ascending to erect, 1–3(–3.5) dm.

ascending to erect, 1–3(–4.5) dm, hairs ascending to appressed.

4–10(–12) × 1–2 cm;

leaflets 3–6(or 7) per side, narrowly obovate, 5–12(–15) × 4–8(–10) mm, 1/2–3/4 as wide as long, divided ± 1/4 to midrib into 5–10 oblong to broadly obovate teeth, sparsely pilose especially on midveins and margins.

± planar, 3–8(–9) × 0.7–1.5 cm;

stipules entire;

leaflets 6–9 per side, separate to ± overlapping at least distally, ± cuneate to obovate, 4–10 × 2–7 mm, 1/2 to nearly as wide as long, divided 1/3 to midrib into 3–6 acute, sometimes obtuse, teeth, densely strigulose, often villous marginally or at least apically.

1–4.

(2 or)3–6.

± congested to open, most flowers arranged in glomerules.

(3–)5–15 mm.

(1–)2–4(–6) mm.

15 mm diam.;

epicalyx bractlets linear-lanceolate to narrowly elliptic, 2–5 × 0.5–1.5 mm, ± 2/3 length of sepals;

hypanthium 0.6–1 × 2.5–4 mm, less than 1/3 as deep as wide;

sepals ± spreading to reflexed, lanceolate to narrowly elliptic, 3.5–6 mm;

petals elliptic to obovate, 4–7 × 3 mm, apex obtuse to rounded to truncate or slightly emarginate;

filaments 1–3 × 0.6–1.3 mm, anthers 0.6–1 mm;

carpels (17–)20–50;

styles 1.5–2.5 mm.

10 mm diam.;

epicalyx bractlets elliptic-lanceolate, (1.5–)1.8–3 × 0.5–1 mm, ± 2/3 length of sepals, entire;

hypanthium 1–1.5 × 2–4 mm, less than 1/2 as deep as wide, interior slightly pilose;

sepals spreading to ± reflexed, lanceolate, (2.5–)3–4 mm;

petals oblong to oblanceolate, 3–5.5 × 1.5–2 mm, apex rounded to slightly emarginate;

filaments 0.5–2 × 0.3–0.4 mm, anthers (0.4–)0.5–0.8 mm;

carpels 10–20(–27);

styles (1–)1.5–2 mm.

grayish, 1.3–1.5 mm, finely reticulate.

brown to dark brown, 1–1.3 mm, usually faintly roughened.

= 28.