Flora of North America species comparison

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

1–10, erect to procumbent, branched or unbranched, herbaceous, leafy.

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.

irregularly pinnate to palmate;

stipules glandlike;

subsessile to short-petiolate;

rachis 2–8 mm, sometimes flattened;

leaflets 3–5, blades obovate to oblong or elliptic, apex obtuse, surfaces strigose.

1–3-flowered.

1-flowered.

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.

ascending, filiform, (0 or)1–26(–55) mm, shorter to longer than leaves;

bract (1–)3-foliolate, distal.

(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.

(2.5–)4–6 mm;

calyx 1–2.5 mm, tube sparsely strigillose, lobes subulate;

corolla pink or salmon, quickly fading, with yellowish wings and keel, claws longer than calyx tube, banner implicate, wings ± equaling to slightly longer than keel;

style curved, glabrous.

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.

persistent, exserted, erect or spreading, brown or tawny, curved or straight, compressed, constricted, not septate, narrowly oblong, 15–27 × 2–2.5 mm, thinly leathery, apex short hook-beaked, dehiscent, smooth, margins smooth, thin, wavy, glabrous or sparsely strigillose.

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

3–9, brown, not mottled, subglobose to shortly oblong, smooth.

= 14.