Flora of North America species comparison

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

1–20+, procumbent to ± ascending, branched, flexuous-wiry or thick, ± woody, 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 subpalmate, distal mostly 3-foliolate;

stipules glandlike;

subsessile to short-petiolate;

rachis 1–8 mm, ± flattened;

leaflets 3–5, blades obovate to elliptic, apex obtuse, surfaces glabrous or glabrate.

1–3-flowered.

3–10-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, (1–)2–12(–25) mm, longer than leaves;

bract absent or 1- or 2-foliolate, usually subtending umbel.

(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.

8–10 mm;

calyx 3.5–6 mm, tube sparsely strigillose to glabrate, lobes subulate;

corolla white to pinkish (banner) or yellow (wings cream), banner often red-striate or red-backed, keel reddish or purplish, claws shorter than calyx tube, banner reflexed to 90°, wings slightly longer than keel;

style upcurved, sparsely strigillose.

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, mostly included, divergent or ascending, brown, arched, turgid, not or slightly constricted, not septate, linear-oblong, 7–10 × 1–2 mm, leathery, apex tapering to exserted, slender, curved or straight beak, indehiscent, smooth, margins thickened, smooth, glabrate, beak strigillose.

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

1 or 2, olive brown, mottled, subcylindric, smooth.