Flora of North America species comparison

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

narrowly winged, sprawling or climbing, basally branched 0–4 times, 3–6 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.

1–3 cm;

tendrils well developed;

stipules linear, 10–20 × 2–5 mm, equal to smaller leaflets;

leaflets 2, blades linear, 15–60 × 2–8 mm, surfaces glabrous.

2–5-flowered, 4–7 cm.

terminal, 1- or 2-flowered, 2–4 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.

7–10 mm;

calyx lobes subequal, linear-triangular, usually longer than tube;

corolla blue, banner erect, blade equal to claw, wings equal to keel;

ovary glabrous.

30–50 × 5–15 mm.

30–50 × 2–4 mm.

= 14.