Flora of North America species comparison

angled, sprawling to erect, basally branched 0–3 times, 2–8 dm.

angled, erect, sprawling, or climbing, basally branched 0–several times, 1–6 dm.

3–8 cm;

tendrils well developed, often branched;

stipules lanceolate, 8–12 × 2–5 mm, much smaller than leaflets;

leaflets 6–10, usually paired, blades ovate, 20–40 × 10–20 mm, surfaces glabrous.

2–10 cm;

tendrils mucronate (less than 1 cm) to well developed;

stipules linear, 5–25 × 1–8 mm, much smaller than leaflets;

leaflets 4–12, usually scattered, blades broadly ovate to lanceolate or linear, (17–)20–110 × 2–30(–37) mm, surfaces usually glabrous, rarely finely pubescent.

2–5-flowered, 4–7 cm.

2–10-flowered, 3–15 cm.

15–20 mm;

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

corolla white to slightly pink or lavender, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

12–22 mm;

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

corolla blue-purple to pink-purple or white, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

30–50 × 5–15 mm.

20–30(–45) × 5–10 mm.