Flora of North America species comparison

ascending to erect, 1–3(–3.5) dm.

ascending to erect, 0.8–2(–2.5) dm.

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.

3–8 × 0.7–1.5 cm;

leaflets (5 or)6–12 per side, overlapping at least distally, cuneate to flabellate, 4–9(–10) mm, divided 1/2+ to midrib into 3–6 oblanceolate to obovate lobes (often medially notched more than 3/4 to midrib as well), silky villous.

1–4.

2–3.

(3–)5–15 mm.

2–8(–10) 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.

(2–)4–15(–20), 10 mm diam.;

epicalyx bractlets linear, 2.5–4.5 × 0.2–0.5 mm, 2/3 to nearly equal to length of sepals;

hypanthium 1–2.5 × (2–)3–4(–5) mm, ± 1/2 as deep as wide, interior densely villous;

sepals spreading, narrowly lanceolate, 3.5–6 mm, silky hairs silky, 1–1.5 mm;

petals often pink-tinged, linear to narrowly oblanceolate, 2.5–5 × 1 mm, apex ± acute to narrowly rounded, sometimes slightly mucronate;

filaments pinkish, 2 × 0.5–0.7 mm, glabrous or sparsely pilose adaxially, anthers 0.5–0.7 mm;

carpels 8–17;

styles (1.5–)2–3 mm.

grayish, 1.3–1.5 mm, finely reticulate.

dark brown, 2 mm.

= 28.