Flora of North America species comparison

angled, sprawling or climbing, basally branched 0–3 times, 4–10 dm.

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

6–18 cm;

tendrils well developed;

stipules lanceolate to linear, 10–20 × 2–10 mm, much smaller than distal leaflets (less than 1/4 width of distal leaflets);

leaflets 8–14, scattered, blades ovate to lanceolate, 25–70 × 10–35 mm, surfaces glabrous or pubescent.

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.

5–20-flowered, 6–20 cm.

3–10-flowered, 9–27 cm.

10–15 mm;

calyx lobes unequal, lateral lobes linear-triangular or lanceolate, shorter to longer than tube;

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

ovary glabrous or pubescent.

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.

20–50 × 3–7 mm.

30–75 × 5–10 mm.

= 14.