Flora of North America species comparison

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

winged, sprawling or climbing, basally branched 0–3 times, 4–25 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.

5–15 cm;

tendrils well developed;

stipules narrowly lanceolate to linear, 10–25 × 2–6 mm, much smaller than leaflets;

leaflets 8–12, scattered, blades lanceolate, 20–60 × 4–20 mm, surfaces glabrous or pubescent.

5–15-flowered, 10–33 cm.

5–15-flowered, 6–16 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.

14–17 mm;

calyx lobes unequal, lateral lobes linear-triangular, equal to tube;

corolla pale pink to rose-purple, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

50–110 × 5–10 mm.

50–90 × 6–9 mm.

= 14.