Flora of North America species comparison

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

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

palmate or irregularly subpinnate;

stipules glandlike;

subsessile to short-petiolate;

rachis 1–4 mm, ± flattened;

leaflets 3–5, blades obovate to oblanceolate, apex usually obtuse, sometimes acute, surfaces sericeous to canescent.

1–3-flowered.

1–3(–5)-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 or spreading, (2–)10–20 mm, shorter to longer than leaves;

bract absent (reduced to stipules) or unifoliolate, 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.

5–12 mm;

calyx 4–7 mm, tube villous, lobes subulate;

corolla yellow, turning orange-red, claws ± equaling calyx tube, banner ascending to 45°, wings unequal, longer than keel;

style slightly curved or straight, glabrous or finely puberulent.

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, divergent, brown, straight or curved at tip, turgid, slightly constricted, imperfectly septate, linear-oblong to oblong, (10–)18–25 × 1.5–2 mm, leathery, apex short-beaked, dehiscent, smooth, margins smooth, strigillose to glabrate.

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

2–5+, olive brown, mottled, roundish-oblong to angled, smooth, 2-veined.