Flora of North America species comparison

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

1–30+, usually decumbent, sometimes ascending, branched, slender, not fleshy.

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.

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 to spreading, 2.3–9 cm, equaling or longer than subtending leaf, elongating in fruit, glabrous;

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

ascending or spreading, 2–3 cm, longer than subtending leaf, elongating in fruit;

bract subtending umbel, 1–3-foliolate.

(2 or)3–9-flowered.

1–3-flowered.

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.

(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, brown, oblong, turgid, 20–30 × 2–3 mm, thinly leathery, incompletely septate, glabrous.

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

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

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

= 14.