Flora of North America species comparison

angled, erect, basally branched 0–2 times, 2–5 dm.

angled, climbing, basally branched 0–3 times, 5–15 dm.

2–4 cm;

tendrils simple or branched, sometimes prehensile;

stipules linear, 5–15 × 1–2 mm, much smaller than leaflets;

leaflets 6 or 8, scattered, blades ovate to lanceolate, 15–45 × 4–10 mm, surfaces glabrous throughout or puberulent abaxially.

9–12 cm;

tendrils well developed;

stipules lanceolate, 15–25 × 4–10 mm, sometimes equal to distal leaflets;

leaflets 6–12, scattered, blades ovate to lanceolate, 25–50 × 10–20 mm, surfaces glabrous or pubescent.

2–4-flowered, 7–12 cm.

9–15-flowered, 6–10 cm.

18–20 mm;

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

corolla blue-purple, banner erect, blade longer than claw, wings equal to keel (held above keel);

ovary glabrous.

11–13 mm;

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

corolla orange to yellow-cream, banner erect, blade shorter than claw, wings equal to keel;

ovary glabrous.

40–50 × 8–10 mm, short-stipitate.

40–70 × 4–6 mm.

= 14.