Flora of North America species comparison

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

1–10+, erect to ascending, unbranched or branched, wiry or 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 widely ovate to lanceolate, (4–)6–9 mm, usually scarious, sometimes leafy, base auriculate or subauriculate;

petiolate;

rachis straight, 2–8 cm;

leaflets 9–15(–19), petiolulate to subsessile, blades ovate to obovate, 5–20 mm, apex obtuse to ± acute, surfaces glabrous or hairy, sometimes finely punctate.

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, then spreading, 1–7 cm, shorter than subtending leaf, little elongating in fruit, ± densely hairy, sometimes glandular;

bract medial, (1–)3(–7)-foliolate.

8–20-flowered.

4–9(or 10)-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.

10–12 mm;

calyx green, purplish, or pink, 5–6.5 mm, ± hairy, sometimes glandular, tube cylindric or obconic-cylindric, 4–5 mm, lobes subulate or short-triangular, 1–1.5(–2) mm, ciliolate or eciliate;

corolla banner and keel purple or pink with pink-veined white tips, wings white, longer than keel, claw ± equaling or slightly longer than calyx tube, banner implicate-ascending, keel apex acute.

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

± inclined, olive brown to reddish brown, broadly oblong, turgid, 20–25 × (2–)3–4 mm, thinly leathery, incompletely septate, ± hairy to glabrate.

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

5–7, reddish brown, oblong, to 3 mm.

= 14.