Flora of North America species comparison

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

winged, sprawling or climbing, basally branched 0–3 times, 4–25 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.

5–15 cm;

tendrils well developed;

stipules narrowly lanceolate to linear, 10–25 × 2–6 mm, much smaller than leaflets;

leaflets 8–12, scattered, blades lanceolate, 20–60 × 4–20 mm, surfaces glabrous or pubescent.

2–5-flowered, 4–7 cm.

5–15-flowered, 6–16 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.

14–17 mm;

calyx lobes unequal, lateral lobes linear-triangular, equal to tube;

corolla pale pink to rose-purple, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

30–50 × 5–15 mm.

50–90 × 6–9 mm.