Flora of North America species comparison

1–20+, procumbent to low-ascending, branched, herbaceous, leafy.

1–20+, usually procumbent (when small, unbranched, erect or ascending), diffusely branched proximally, herbaceous, leafy.

pinnate or palmate;

stipules glandlike, sometimes absent;

subsessile or sessile;

rachis 4–10 mm, flattened;

leaflets (3 or)4(or 5), usually 2 on one side and 2 terminal, blades elliptic to obovate(–oblanceolate), apex usually obtuse, sometimes acute, surfaces villous to pubescent.

irregularly pinnate;

stipules glandlike or absent; petiolate;

rachis 5–15 mm, flattened;

leaflets (3 or)4(or 5), usually 2 on one side and 2 terminal, blades elliptic to obovate (lateral sometimes asymmetric), apex usually obtuse, sometimes acute, surfaces sparsely long-ciliate, pubescent.

1-flowered.

1-flowered.

± sessile;

bract absent.

ascending, 0–2 mm, shorter than leaves;

bract absent.

5–9 mm;

calyx 3–6 mm, accrescent, tube villous, lobes lanceolate;

corolla pale yellow, reddish-tipped, turning red, claws shorter than calyx tube, banner horizontal to ascending to 90°, wings ± equaling keel;

style curved, glabrous.

5–9 mm;

calyx 2.5–5 mm, tube pubescent to villous, lobes lanceolate;

corolla yellow, turning red, claws shorter than calyx tube, banner implicate-ascending, with irregular or inrolled margins, wings shorter than keel;

style ± curved, glabrous.

persistent, exserted, erect, brown or tawny, straight, compressed, slightly constricted, not septate, oblong, 6–12(–14) × 3–4 mm, stiffly papery, apex obtuse, dehiscent, smooth, margins smooth, thin, villous.

persistent, exserted, erect or spreading, tawny to brown, straight, compressed, slightly constricted, ± septate, oblong, 10–18 × 2.2–3 mm, thinly leathery, apex abruptly downward angled and curved, dehiscent, smooth, margins smooth, thin, pubescent (to glabrate).

(2 or)3(–5), tan to dark brown or blackish, faintly mottled, lenticular-elliptic (asymmetric), smooth.

3–7, olive green to brown, not mottled, asymmetric-reniform, smooth.

= 12.

= 12.