Flora of North America species comparison

angled, erect, sprawling, or climbing, basally branched 0–several times, 1–6 dm.

angled, erect, sprawling, or climbing, basally branched 1–3 times, 3–8 dm.

2–10 cm;

tendrils mucronate (less than 1 cm) to well developed;

stipules linear, 5–25 × 1–8 mm, much smaller than leaflets;

leaflets 4–12, usually scattered, blades broadly ovate to lanceolate or linear, (17–)20–110 × 2–30(–37) mm, surfaces usually glabrous, rarely finely pubescent.

6–9 cm;

tendrils well developed;

stipules ovate to lanceolate, 15–25 × 5–11 mm, much smaller than leaflets;

leafets 6–10, scattered, blades lanceolate to linear or ovate, 20–80 × 2–35 mm, surfaces glabrous.

2–10-flowered, 3–15 cm.

4–13-flowered, 5–18 cm.

12–22 mm;

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

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

ovary glabrous.

12–20 mm;

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

corolla pale blue-lavender to purple, banner erect, blade longer than claw, wings longer than keel, (by 1–4 mm);

ovary glabrous.

20–30(–45) × 5–10 mm.

30–50 × 5–10 mm.