Flora of North America species comparison

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

angled to narrowly winged, sprawling or climbing, basally branched 0–4 times, 2–20 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.

4–14 cm;

tendrils well developed;

stipules lanceolate to linear, 5–25 × 1–10 mm, much smaller than leaflets (more than 1/4 width of distal leaflets);

leaflets 6–12, scattered, blades ovate to linear, 12–50 × 5–25 mm, surfaces glabrous or pubescent.

2–5-flowered, 4–7 cm.

5–20-flowered, 5–25 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.

12–25 mm;

calyx lobes unequal, lateral lobes deltate, linear-triangular, or lanceolate and wider distal to base, shorter to longer than tube;

corolla cream-white, rose, lavender, blue-purple, or deep wine red, banner erect or reflexed toward calyx tube, blade equal to or longer than claw, wings equal to keel;

ovary glabrous or pubescent.

30–50 × 5–15 mm.

40–60 × 4–7 mm.