Flora of North America species comparison

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

1–20+, procumbent or decumbent to ascending, branched basally, herbaceous, slender, 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.

irregularly pinnate;

stipules glandlike;

subsessile;

rachis 3–20 mm, flattened;

leaflets 4–10, blades unequal, obovate to oblanceolate to linear-oblong or oblong, apex acute to obtuse or truncate, surfaces ± densely tomentose to glabrate.

1-flowered.

1–3-flowered.

± sessile;

bract absent.

ascending or reflexed, upturned, 3–25 mm, shorter to longer than leaves (often elongated in fruit);

bract absent or 1–3-foliolate, usually subtending umbel.

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.

(5–)6–10(–12) mm;

calyx 3–5.5 mm, tube ± sparsely strigillose or glabrous, lobes subulate;

corolla yellow (sometimes banner orangish abaxially), turning orange or reddish, claws ± equaling calyx tube, banner implicate-ascending or remaining closely implicate, wings longer than keel;

style corneously thickened, marked by color, straight, puberulent or 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.

persistent, exserted, erect or divergent, brown, straight to ± curved distally, compressed, not or slightly constricted, incompletely septate, linear-oblong, 10–35 × 2–3 mm, thinly leathery, apex initially short-beaked, dehiscent, smooth, margins smooth, thin, glabrous or ± strigose.

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

5–10, greenish to brown, ± mottled, ovoid to cuboid or globose, rugulose or granular.

= 12.