Flora of North America species comparison

1–20+, procumbent to low-ascending, branched, herbaceous, leafy.

1–20+, procumbent or the central ascending, branched, herbaceous, leafy.

pinnate or palmate;

stipules glandlike, sometimes absent;

subsessile or sessile;

rachis 4–10 mm, flattened;

leaflets (3 or)4(or 5), usually 2 on one side and 2 terminal, blades elliptic to obovate(–oblanceolate), apex usually obtuse, sometimes acute, surfaces villous to pubescent.

pinnate to subpalmate;

stipules glandlike; short-petiolate;

rachis 2–5 mm, flattened;

leaflets 3–5, blades obovate to oblanceolate or broadly obovate to obcordate, apex usually obtuse to acute, sometimes mucronulate, or retuse to cordate, surfaces gray-puberulent.

1-flowered.

(1 or)2–7-flowered.

± sessile;

bract absent.

curved to erect, 25–75(–95) mm, longer than leaves;

bract absent or 1(–3)-foliolate, distal.

5–9 mm;

calyx 3–6 mm, accrescent, tube villous, lobes lanceolate;

corolla pale yellow, reddish-tipped, turning red, claws shorter than calyx tube, banner horizontal to ascending to 90°, wings ± equaling keel;

style curved, glabrous.

12–20 mm;

calyx 3.5–5 mm, tube puberulent, lobes narrow lanceolate;

corolla yellow to cream, often suffused with red, claws shorter than calyx tube, banner ascending 45–90°, wings ± equaling to longer than keel;

style nearly straight, glabrous.

persistent, exserted, erect, brown or tawny, straight, compressed, slightly constricted, not septate, oblong, 6–12(–14) × 3–4 mm, stiffly papery, apex obtuse, dehiscent, smooth, margins smooth, thin, villous.

subpersistent, exserted, erect to ascending, tawny to brown, straight, turgid, not constricted, ± septate, oblong, 15–35(–40) × 3–7 mm, leathery, apex short-beaked, dehiscent, smooth, margins smooth, thickened, strigillose.

(2 or)3(–5), tan to dark brown or blackish, faintly mottled, lenticular-elliptic (asymmetric), smooth.

3–6, brown, ± mottled, oblong, ± rugose to smooth.

= 12.