Flora of North America species comparison

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

broadly winged, sprawling or climbing, basally branched 1–3 times, 6–20 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.

2–4 cm, rachises winged;

tendrils well developed, branched;

stipules linear, 10–30 × 1–3 mm, less than 1/2 width of stem, much smaller than leaflets;

leaflets 2, blades linear, 20–150 × 4–24 mm, surfaces glabrous.

2–4-flowered, 7–12 cm.

3–10-flowered, 9–27 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.

12–17 mm;

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

corolla red-purple, banner erect, blade longer than claw, wings equal to keel;

ovary glandular-pubescent, style rotated 90° from ovary axis.

40–50 × 8–10 mm, short-stipitate.

30–75 × 5–10 mm.

= 14.

= 14.