Flora of North America species comparison

ascending to erect, 1–2.5 dm.

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

3–10 × 0.4–0.8 cm;

leaflets (6–)10–14 per side, ± overlapping at least distally, cuneate to flabellate, 2.5–4(–6) mm, divided 3/4+ to midrib into 3–6 oblanceolate to obovate lobes, hispid.

± 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.

3–7.

(2 or)3–6.

± congested to open, most flowers arranged in glomerules.

2–8(–12) mm.

(1–)2–4(–6) mm.

3–15, 10 mm diam.;

epicalyx bractlets linear to lanceolate, 1.5–3 × 0.2–0.5 mm, ± 2/3 length of sepals;

hypanthium 1.8–3 × 3–4 mm, ± 1/2 as deep as wide, interior sparsely pilose;

sepals reflexed, broadly lanceolate, 2.5–4(–5) mm, hairs stiff, 0.5 mm;

petals not pink-tinged, oblanceolate to oblong or narrowly elliptic, 2.5–5 mm, apex rounded to truncate, sometimes slightly emarginate or mucronate;

filaments white, 0.5–2 × 0.4–0.6 mm, glabrous or sparsely pilose adaxially, anthers 0.5–0.9 mm;

carpels (10–)12–18(–20);

styles 1.8–2.2 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.

brown to dark brown, 1.5–2 mm.

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