Flora of North America species comparison

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

1–10+, procumbent to ascending, 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 or palmate;

stipules glandlike or absent; short-petiolate to subsessile;

rachis 4–8 mm, sometimes flattened;

leaflets 4–6, often 2 on one side and 2 terminal, blades obovate to elliptic, apex acute to obtuse, surfaces ± villous.

1–3-flowered.

2–5-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, 1–2(–5) mm, shorter 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.

3–4(–5) mm;

calyx 1–1.5(–2.5) mm, tube strigillose to villosulous, lobes subulate;

corolla yellowish, claws shorter than calyx tube, banner implicate-ascending, wings shorter than keel;

style abruptly incurved 90°, 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, strongly exserted, widely spreading or reflexed, tawny, arched, turgid, constricted, not septate, linear, 10–15 × 1–2 mm, leathery, apex tapering, long hook-beaked, indehiscent, veined, margins keeled, smooth, strigillose (also on beak).

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

2, olive green, mottled, ± curved, cylindric, smooth.

= 14.