Flora of North America species comparison

narrowly winged, erect, sprawling, or climbing, basally branched 0–2 times, 2–6 dm.

broadly winged, climbing, basally branched 1–3 times, 8–20 dm.

14–18 cm;

tendrils well developed;

stipules lanceolate, 10–20 × 1–5 mm, much smaller than leaflets;

leaflets 14–18, scattered, blades ovate to lanceolate, 30–50 × 10–20 mm, surfaces pubescent with eglandular trichomes, glandular-pubescent abaxially.

2–4 cm, rachises winged as the stem;

tendrils well developed;

stipules lanceolate, 15–25 × 5–10 mm, smaller than leaflets;

leaflets 2, blades ovate or obovate to lanceolate, 25–60 × 5–35 mm, surfaces glabrous.

7–12-flowered, 10–16 cm.

1–3-flowered, 4–20 cm.

10–14 mm;

calyx lobes unequal, lateral lobes linear-triangular, longer than tube;

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

ovary densely glandular-pubescent.

20–30 mm;

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

corolla rose-purple, banner erect, blade longer than claw, wings longer than keel;

ovary glabrous, style rotated 90° from ovary axis.

30–50 × 6–8 mm.

70–100 × 8–12 mm, narrowly winged on abaxial suture.

= 14.

= 14.