Flora of North America species comparison

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

1–20+, often decumbent, sometimes ascending, unbranched, fleshy, base often spongy.

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 lanceolate-ovate to ovate or deltate, 2–8 mm, ± scarious, fragile;

petiolate to long-petiolate;

rachis ± straight, 1–4 cm;

leaflets (3–)5–7, petiolulate, blades elliptic to obovate, 6–20 mm, apex obtuse to emarginate, 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 spreading, 2.3–9 cm, equaling or longer than subtending leaf, elongating in fruit, glabrous;

bract subtending umbel, 1–3(–7)-foliolate.

8–20-flowered.

(2 or)3–9-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.

10–16 mm;

calyx reddish, 4.5–6 mm, glabrous, tube cylindric, 2.5–4 mm, lobes subulate to narrowly triangular, 2–2.5 mm, eciliate;

corolla banner yellow, wings and keel pale to dark pink, sometimes whitish, wings fading white, keel pink- to purple-tipped, wings ± equaling or longer than keel, claw longer than calyx tube, banner reflexed to 180°, keel apex acute to subacute.

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

± ascending to ± inclined, brown, oblong, turgid, 20–30 × 2–3 mm, thinly leathery, incompletely septate, glabrous.

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

(8–)10–14(–16), olive brown to brown, oblong, 1–1.5 mm.

= 14.

= 14.