Flora of North America species comparison

angled, sprawling or climbing, sometimes branched at flowering nodes, 2–6 dm.

angled, sprawling, basally branched 0–3 times, 2–5 dm.

5–9 cm;

tendrils usually well developed;

stipules lanceolate to linear, 8–12 × 1–5 mm, much smaller than leaflets;

leaflets 4–8, scattered, blades usually linear, rarely lanceolate, 30–80 × 1–20 mm, surfaces glabrous.

4–6 cm;

tendrils well developed;

stipules linear, 5–15 × 1–5 mm, much smaller than leaflets;

leaflets 6–10, scattered, blades ovate to linear, 15–40 × 1–10 mm, surfaces glabrous.

5–8-flowered, 10–18 cm.

2–4-flowered, 3–4 cm.

8–15 mm;

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

corolla white to blue-orchid, banner erect, blade equal to claw, wings equal to keel;

ovary glabrous.

12–16 mm;

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

corolla purple, banner erect, blade longer than claw, wings longer than keel (by 1–3 mm);

ovary glabrous.

30–50 × 4–8 mm.

30–40 × 5–8 mm.

= 14.