Flora of North America species comparison

ascending to erect, 1.5–4.5 dm, hairs 1 mm proximally, glands absent or sparse distally.

decumbent to erect, 0.3–1.8(–2.5) dm.

± cylindric to weakly planar, 3–10 × 0.3–1.2 cm, densely sericeous, often villous on margins apically;

stipules usually entire or forked, rarely pinnately divided into linear lobes;

leaflets (8–)10–20 per side, ± overlapping, elliptic to flabellate, 2–8 × 1–4 mm, 1/2–2/3 as wide as long, divided ± 1/2+ to midrib into (0–)2–4 elliptic lobes 1–2 mm wide, these not restricted to apex.

2–8(–10) × 0.5–1.3 cm;

leaflets 4–6(–10) per side, overlapping, cuneate to flabellate, 3–8 mm, divided 3/4+ to midrib into (3–)5–8 oblong to obovate or oblanceolate lobes, villous to pilose at least marginally or apically.

(2 or)3–5;

stipules 3–8 mm, entire or shallowly 1–2-toothed.

1 or 2.

open, flowers arranged individually and/or in non-capitate glomerules.

1–4 mm.

2–7 mm.

10 mm diam.;

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

hypanthium 1–1.5 × 2–3 mm, ± 1/2 to as deep as wide, interior glabrous;

sepals spreading to reflexed, abaxially green to reddish or purplish, 2–4 mm;

petals white to pink or red-veined, narrowly obcordate, 3–4.5(–7) × 2–3 mm, apex ± emarginate;

filaments 0.5–1.5 × 0.2–0.5 mm, anthers 0.4–0.6 mm;

carpels 2–6;

styles 1.5–2 mm.

3–15, 8–10 mm diam.;

epicalyx bractlets linear-lanceolate, 1–2.5(–3) × 0.3–0.5(–0.8) mm, ± 2/3 length of sepals;

hypanthium 1–1.5 × 2.5–4.5 mm, nearly 1/2 as deep as wide, interior sparsely pilose;

sepals spreading to reflexed, broadly lanceolate, (2–)3–4.5(–5) mm, hairs stiff, 0.5–1 mm;

petals not pink-tinged, narrowly oblanceolate to narrowly oblong, 2–4 mm, apex rounded to truncate, often slightly mucronate;

filaments white, 1–2 × 0.3–0.5 mm, usually glabrous, rarely sparsely pilose, anthers 0.6–0.8 mm;

carpels 5–12;

styles 1.5–2 mm.

brown, 2–2.5 mm, smooth.

light brown to brown, 2–2.5 mm.

= 28.