Flora of North America species comparison

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

1–20+, ascending, branched basally, 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.

pinnate;

stipules glandlike;

subsessile;

rachis 3–8 mm, flattened;

leaflets 5–7, blades oblong, apex obtuse, surfaces tomentulose.

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, 10–20 mm, longer than leaves;

bract absent.

(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.

4–5 mm;

calyx 2.5–3 mm, tube pubescence not observed, lobes subulate, shorter than tube;

corolla yellow turning red, claws ± equaling calyx tube, banner cuneate to short-clawed, wings equal to keel;

style thickening and shape not observed, puberulent becoming glabrate.

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, brown, curved distally, compressed, oblong, leathery, dehiscent, smooth, margins smooth, strigillose.

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

olive green to dark brown, ± mottled, oblong, sculpture not observed.