Flora of North America species comparison

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

1–30+, decumbent to ascending, unbranched, 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 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 to spreading, 2.3–9 cm, equaling or longer than subtending leaf, elongating in fruit, glabrous;

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

ascending, (1–)5–10(–12) cm, longer than subtending leaf, elongating in fruit, ± appressed-hairy;

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

(2 or)3–9-flowered.

1–6-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.

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

± ascending to ± inclined, brown, oblong, turgid, 25–50 × 1.5–2 mm, leathery, not septate, glabrous.

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

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

= 14.

= 14.