Flora of North America species comparison

ascending to erect, 1–3(–3.5) dm.

ascending to erect, 1.5–3.5 dm, hairs 2–3 mm proximally, glands sparse to dense distally.

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.

weakly planar to loosely cylindric, (4–)5–12(–17) × 0.8–3(–4) cm, usually sericeous to villous, sometimes glabrate;

stipules pinnately divided into 3–7 linear to filiform lobes;

leaflets 5–10 per side, ± overlapping, obovate to broadly obcordate, 5–15(–25) × 5–20 mm, ± as wide as long, divided 3/4+ to midrib into (0–)2–15 linear to oblanceolate lobes 0.4–2(–3) mm wide, these not restricted to apex.

1–4.

3–6;

stipules 8–15 mm, deeply 3–7-lobed proximally, 1–3-lobed distally.

open to ± congested, flowers arranged individually or in ± corymbiform clusters.

(3–)5–15 mm.

2–10(–20) 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.

10–15 mm diam.;

epicalyx bractlets linear to linear-lanceolate, 2.5–3.5 × 0.5 mm, 2/3 to ± equal to length of sepals;

hypanthium 1–1.5 × 3.5–5 mm, less than 1/2 as deep as wide, interior glabrous;

sepals ± spreading, abaxially green, 3.5–7.5 mm;

petals white to cream, often drying yellowish, cuneate to obcordate, (3.5–)4–8 × 2–8 mm, apex ± emarginate, sometimes rounded;

filaments 1–3 × 0.5–1.5 mm, anthers 0.5–0.8 mm;

carpels 5–15, styles 2–4 mm.

grayish, 1.3–1.5 mm, finely reticulate.

dark brown, 2.4–3 mm, smooth to ± roughened.

= 28.