Flora of North America species comparison

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

prostrate to decumbent, (0.5–)1–2.5 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.

(3–)4–8(–10) × 0.8–1.8 cm;

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

(2 or)3–5;

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

(0–)1(–2).

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

1–4 mm.

3–15 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.

5 mm diam.;

epicalyx bractlets lanceolate to ovate, 0.8–1.7 × 0.3–0.7 mm, 1/2–2/3 length of sepals;

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

sepals reflexed, broadly elliptic to broadly ovate, 1.7–2.5 mm;

petals oblanceolate to oblong, 2–3 × 1–2 mm, apex rounded;

filaments 0.5–1 × 0.3–0.8 mm, anthers 0.4–0.5 mm;

carpels 3 or 4;

styles 1–2 mm.

brown, 2–2.5 mm, smooth.

tan, 1.8–2.2 mm, coarsely rugose.

= 28.