Flora of North America species comparison

angled, sprawling or climbing, basally branched 0–3 times, 4–10 dm.

angled, erect or sprawling, basally branched 0–2 times, 1.5–3 dm.

6–18 cm;

tendrils well developed;

stipules lanceolate to linear, 10–20 × 2–10 mm, much smaller than distal leaflets (less than 1/4 width of distal leaflets);

leaflets 8–14, scattered, blades ovate to lanceolate, 25–70 × 10–35 mm, surfaces glabrous or pubescent.

1–4 cm;

tendrils bristlelike, usually less than 1 cm;

stipules linear to lanceolate, 10–30 × 1–5 mm, nearly equal to leaflets;

leaflets 8–12, often paired, blades lanceolate to linear, 10–35 × 1–5 mm, surfaces glabrous or pubescent.

5–20-flowered, 6–20 cm.

2–6-flowered, 4–11 cm.

10–15 mm;

calyx lobes unequal, lateral lobes linear-triangular or lanceolate, shorter to longer than tube;

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

ovary glabrous or pubescent.

16–22 mm;

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

corolla usually violet to magenta, sometimes white, banner erect, blade longer than claw, wings 4–5 mm longer than keel;

ovary glabrous.

20–50 × 3–7 mm.

35–50 × 8–12 mm, stipitate.