Flora of North America species comparison

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

broadly winged, sprawling or climbing, basally branched 1–3 times, 6–20 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.

2–4 cm, rachises winged;

tendrils well developed, branched;

stipules linear, 10–30 × 1–3 mm, less than 1/2 width of stem, much smaller than leaflets;

leaflets 2, blades linear, 20–150 × 4–24 mm, surfaces glabrous.

2–5-flowered, 4–7 cm.

3–10-flowered, 9–27 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.

12–17 mm;

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

corolla red-purple, banner erect, blade longer than claw, wings equal to keel;

ovary glandular-pubescent, style rotated 90° from ovary axis.

30–50 × 5–15 mm.

30–75 × 5–10 mm.

= 14.