Flora of North America species comparison

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

angled, sprawling, basally branched 0–3 times, 4–30 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.

5–8 cm;

tendrils well developed;

stipules lanceolate to linear, 10–20 × 2–8 mm, much smaller than leaflets;

leaflets 6–10, scattered, blades ovate to linear, 20–40 × 3–15 mm, surfaces glabrous throughout or sparsely pubescent abaxially.

2–5-flowered, 4–7 cm.

6–10-flowered, 4–16 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.

25–30 mm;

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

corolla deep wine red, banner reflexed against calyx tube, blade much longer than claw, wings equal to keel;

ovary glandular-pubescent.

30–50 × 5–15 mm.

50–80 × 5–9 mm.

= 14.