Flora of North America species comparison

(1–)5–20+, ascending to erect, fleshy, stout, hollow.

1–20+, procumbent, unbranched or little branched, slender, not fleshy.

stipules triangular or ovate to lanceolate, (2–)5–8 mm, membranous becoming scarious, often becoming inconspicuous; short-petiolate to petiolate;

rachis often curved, 6–12 cm;

leaflets (7–)9–15(–19), petiolulate, blades widely ovate to widely elliptic or widely obovate, (10–)20–30 mm, apex obtuse to emarginate, surfaces sparsely strigillose to glabrate.

stipules ovate to lanceolate, 1.5–3.5 mm, membranous, base ± subauriculate;

petiolate;

rachis straight, 0.5–1.5 cm;

leaflets 3–5, petiolulate, blades obovate, 4–11 mm, apex obtuse to rounded, surfaces glabrous.

ascending, 3–8 cm, usually shorter than, rarely equaling, subtending leaf, elongating in fruit, glabrate or glabrous;

bract medial or absent, leaflets (1 or)3 or 5-foliolate.

ascending to erect, 1.5–7(–10) cm, longer than subtending leaf, elongating in fruit, strigulose;

bract absent.

8–20-flowered.

1 or 2(–4)-flowered.

asymmetric, 12–16(–18) mm;

calyx green marked with purplish or pinkish, or purplish to pinkish, 4.5–8 mm, glabrous, tube cylindric, 4–6 mm, lobes deltate, 0.5–2 mm, sparsely ciliolate or eciliate;

corolla greenish or whitish becoming marked with red or purple, wings ± equaling keel, claw ± longer than calyx tube, banner implicate-ascending to 45°, keel apex acute.

5–7(–9)[–15] mm;

calyx purplish, (3–)3.2–4(–4.4) mm, glabrous or glabrate, tube cylindric, 1.6–2 mm, lobes lanceolate, 0.5–2 mm, eciliate or sparsely ciliolate;

corolla banner yellow, wings and keel white or cream, becoming reddish tinged, wings ± equaling keel, claw ± equaling calyx tube, banner implicate-ascending, keel apex obtuse.

± ascending to inclined, reddish to brown, linear, turgid, (10–)35–70 × 3–5 mm, leathery, incompletely septate, glabrous.

ascending to erect, olive brown to brown, linear-oblong, turgid, 20–30 × 1–1.5 mm, thinly leathery, not septate, glabrate or glabrous.

7–12, olive or reddish to dark brown, obovoid, 3–4 mm.

(8–)10–13(–15), olive green to olive brown, reniform, flattened, 1.5 mm.

= 14.