Flora of North America species comparison

1–30+, ascending, branched (distal branches ± flexuous and herbaceous), stiff (± woody), remotely leafy.

1–20+, procumbent to ± ascending, branched, flexuous-wiry or thick, ± woody, leafy.

irregularly pinnate or palmate;

stipules evanescent, glandlike, ovoid-deltoid; short-petiolate or sessile;

rachis 0–5 mm, not flattened;

leaflets 3–5, blades obovate to oblanceolate, apex obtuse to emarginate, surfaces strigose.

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.

1–4(or 5)-flowered.

3–10-flowered.

ascending to erect, slender, often flexuous, 20–60(–130) mm, much longer than leaves;

bract absent or unifoliolate, subtending umbel.

ascending, (1–)2–12(–25) mm, longer than leaves;

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

12–20(–24) mm;

calyx 6.5–10 mm, tube ± densely strigillose, lobes subulate, abaxial pair sometimes connate behind banner;

corolla yellow, sometimes ± suffused with red or orange, banner often red-backed, claws ± equaling calyx tube, banner remaining implicate, ± ascending to 45°, wings longer than keel;

style corneously thickened and laterally grooved proximally, straight, 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, yellow-brown to reddish, straight, turgid, not constricted, not septate, linear-oblong to oblong, 20–40(–45) × 3–5 mm, leathery, apex short-beaked, dehiscent, smooth, margins smooth, keeled, usually glabrate, rarely sparsely strigillose.

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.

18–30, light brown, ± mottled, subglobose, finely granulose or papillose.

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

= 14.