Flora of North America species comparison

angled, sprawling or climbing, basally branched 0–3 times, 3–8 dm.

angled, sprawling, basally branched 0–3 times, 2–5 dm.

(2–)3–10 cm;

tendrils well developed;

stipules somewhat foliose, ovate-lanceolate, 15–35 × 5–20 mm, sometimes equal to distal leaflets;

leaflets (5 or)6(–8), usually paired, blades broadly ovate to lanceolate, (20–)25–65 × 10–35(–42) mm, surfaces glabrous.

4–6 cm;

tendrils well developed;

stipules linear, 5–15 × 1–5 mm, much smaller than leaflets;

leaflets 6–10, scattered, blades ovate to linear, 15–40 × 1–10 mm, surfaces glabrous.

4–10(–13)-flowered, 3–12 cm.

2–4-flowered, 3–4 cm.

10–15 mm;

calyx lobes unequal, lateral lobes lanceolate, usually longer than tube;

corolla cream-white, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

12–16 mm;

calyx lobes unequal, lateral lobes deltate, shorter than tube;

corolla purple, banner erect, blade longer than claw, wings longer than keel (by 1–3 mm);

ovary glabrous.

30–70 × 4–7 mm.

30–40 × 5–8 mm.

= 14.