Flora of North America species comparison

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

1–20+, procumbent or decumbent, branched, herbaceous, leafy, proximally covered by small, persistent leaves.

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 to subpalmate (distal);

stipules conic;

proximal short-petiolate or sessile, distal subsessile to short-petiolate;

rachis 0–4 mm, sometimes flattened;

leaflets (3 or)4 or 5(or 6), blades obovate to oblanceolate (proximal ± orbiculate), apex acute to rounded, surfaces villous to tomentose.

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 reflexed, upturned, (5–)20–50 mm, longer than leaves;

bract absent (reduced to gland) or 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.

(10–)13–22 mm;

calyx 4.3–7 mm, tube densely villous, lobes subulate;

corolla cream to orange-yellow, rose-tinted, claws shorter than calyx tube, banner obliquely ascending, wings longer than banner and keel, auriculate, spurred;

style ± straight, 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, reddish brown, straight, turgid, not constricted, imperfectly septate, linear-oblong, 15–30 × (2–)2.5–3 mm, ± leathery, apex short-beaked, dehiscent, smooth, margins smooth, strigillose.

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

5–8, olive green to brown, ± mottled, oblong, smooth.

= 14.