Flora of North America species comparison

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

angled, erect, sprawling, or climbing, basally branched 0–4 times, 1–8 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.

(0.5–)1–8 cm;

tendrils mucronate to well developed;

stipules linear to lanceolate, 5–25 × 1–6 mm, much smaller than leaflets;

leaflets 2–10, scattered, blades lanceolate or linear, 20–70 × 2–20 mm, surfaces glabrous or sparsely pubescent.

2–4-flowered, 7–12 cm.

2–6-flowered, 2–10 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.

7–15 mm;

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

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

ovary glabrous.

40–50 × 8–10 mm, short-stipitate.

25–45 × 6–10 mm.

= 14.