Flora of North America species comparison

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

narrowly winged, erect, sprawling, or climbing, basally branched 0–2 times, 2–6 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.

14–18 cm;

tendrils well developed;

stipules lanceolate, 10–20 × 1–5 mm, much smaller than leaflets;

leaflets 14–18, scattered, blades ovate to lanceolate, 30–50 × 10–20 mm, surfaces pubescent with eglandular trichomes, glandular-pubescent abaxially.

2–5-flowered, 4–7 cm.

7–12-flowered, 10–16 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.

10–14 mm;

calyx lobes unequal, lateral lobes linear-triangular, longer than tube;

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

ovary densely glandular-pubescent.

30–50 × 5–15 mm.

30–50 × 6–8 mm.

= 14.