Flora of North America species comparison

broadly winged, sprawling or climbing, basally branched 1–5 times, 8–20 dm.

angled, erect, sprawling, or climbing, basally branched 0–several times, 1–6 dm.

2–5 cm, rachises broadly winged;

tendrils well developed, branched;

stipules lanceolate, 30–40 × 7–15 mm, at least 1/2 width of stem, much smaller than leaflets;

leaflets 2, blades lanceolate-elliptic, 30–120 × 7–50 mm, surfaces glabrous.

2–10 cm;

tendrils mucronate (less than 1 cm) to well developed;

stipules linear, 5–25 × 1–8 mm, much smaller than leaflets;

leaflets 4–12, usually scattered, blades broadly ovate to lanceolate or linear, (17–)20–110 × 2–30(–37) mm, surfaces usually glabrous, rarely finely pubescent.

5–15-flowered, 10–33 cm.

2–10-flowered, 3–15 cm.

15–20 mm;

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

corolla purple, magenta, pink, or white, banner erect, blade longer than claw, wings equal to keel;

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

12–22 mm;

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

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

ovary glabrous.

50–110 × 5–10 mm.

20–30(–45) × 5–10 mm.

= 14.