Flora of North America species comparison

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

1–5+, erect to ascending, unbranched or branched, 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 deltate to lanceolate-ovate, 4–8 mm, scarious, base subauriculate;

petiolate;

rachis often curved, 3–7 cm;

leaflets (5–)7–11(–15), petiolulate, blades elliptic to obovate, 7–16 mm, apex obtuse to acute, surfaces villous to canescent.

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, 0.5–4(–4.5) cm, shorter than subtending leaf, little elongating in fruit, villous to canescent;

bract medial to subtending umbel, 3(–5)-foliolate.

8–20-flowered.

3–8(–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.

12–15 mm;

calyx purplish, 5.5–7.5 mm, hairy, tube cylindric, 4.5–6 mm, lobes linear-subulate, 1/2 length of tube, 1–2 mm, densely ciliate;

corolla banner red, wings and keel white, wings longer than keel, claw longer than 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 ± inclined, reddish to dark brown, oblong, turgid, 15–35(–40) × 2.5–3(–7) mm, leathery, incompletely septate, glabrous.

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

3–6+, olive to reddish brown, ovoid, 3 mm.

= 14.