Flora of North America species comparison

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

1–30+, decumbent to ascending, unbranched, 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, 2.5–5 mm, scarious, fragile; short- to (proximally) long-petiolate;

rachis often curved, 1–2.5(–3) cm;

leaflets 3–11, petiolulate, blades usually elliptic to obovate, sometimes lanceolate, 10–25 mm, apex usually acute, sometimes obtuse (often proximally), surfaces appressed-hairy to hirsute or 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, (1–)5–10(–12) cm, longer than subtending leaf, elongating in fruit, ± appressed-hairy;

bract subtending umbel or absent, 1–3-foliolate.

8–20-flowered.

1–6-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.

8–13 mm;

calyx green, 3.5–6.5 mm, hairy, tube cylindric, 2.5–3.5 mm, lobes subulate, 1–3 mm, ciliolate;

corolla whitish yellow or banner yellow, ± red-veined or reddish, and wings and keel white, keel apex yellow, wings ± equaling keel, claw ± equaling to slightly longer than calyx tube, banner implicate-ascending, keel apex 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, 25–50 × 1.5–2 mm, leathery, not septate, glabrous.

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

(6–)8–15(–21), olive to reddish brown, oblong, 1.5–2 mm.

= 14.

= 14.