Flora of North America species comparison

angled to narrowly winged, erect, sprawling, or climbing, basally branched 0–4 times, 1–10 dm.

broadly winged, climbing, basally branched 1–3 times, 8–30 dm.

3–15 cm;

tendrils usually well developed, branched or unbranched;

stipules sagittate-ovate, 7–35 × 7–30 mm, as large as basal leaflets;

leaflets 6–12, usually scattered, blades ovate to lanceolate, 15–55 × 5–35 mm, surfaces glabrous throughout or pubescent abaxially.

2–6 cm, rachises winged;

tendrils well developed;

stipules lanceolate, 10–25 × 2–6 mm, smaller than leaflets;

leaflets 2, blades ovate or obovate, 15–50 × 10–40 mm, surfaces glabrous or sparsely pustulose-hirsute.

4–9-flowered, 4–15 cm.

2–4-flowered, 10–20 cm.

12–29 mm;

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

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

ovary eglandular and glandular-pubescent.

20–25 mm;

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

corolla white, pink, purple, violet, or blue, banner erect, blade much longer than claw, wings longer than keel;

ovary densely pustulose-hirsute, style rotated 90° from ovary axis.

35–65 × 6–12 mm.

50–70 × 8–15 mm.

= 14.