Flora of North America species comparison

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

1–30+, usually decumbent, sometimes ascending, 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, inconspicuous, scarious;

petiolate;

rachis straight, 0.7–1.5 cm;

leaflets 3–5(–7), petiolulate, blades obovate to oblanceolate, 3–10 mm, apex usually acute, sometimes obtuse, 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 or spreading, 2–3 cm, longer than subtending leaf, elongating in fruit;

bract subtending umbel, 1–3-foliolate.

8–20-flowered.

1–3-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.

(7–)8–10 mm;

calyx color unknown, 5–6.5 mm, glabrous, tube obconic-cylindric, (1.5–)2–3 mm, lobes triangular to triangular-subulate, 0.5–1 mm, ± ciliolate;

corolla banner yellow, wings and keel whitish yellow, wings ± equaling keel, claw ± equaling calyx tube, banner erect, keel apex not known.

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

erect, brown, narrowly oblong, laterally compressed, 18–25 × 1.5–2 mm, leathery, not septate, glabrous.

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

(2–)4–7, olive- to red-brown, oblong, 2–2.5 mm.

= 14.