Flora of North America species comparison

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

angled, sprawling or climbing, sometimes branched at flowering nodes, 2–6 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.

5–9 cm;

tendrils usually well developed;

stipules lanceolate to linear, 8–12 × 1–5 mm, much smaller than leaflets;

leaflets 4–8, scattered, blades usually linear, rarely lanceolate, 30–80 × 1–20 mm, surfaces glabrous.

4–9-flowered, 4–15 cm.

5–8-flowered, 10–18 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.

8–15 mm;

calyx lobes subequal, lateral lobes deltate, shorter than tube;

corolla white to blue-orchid, banner erect, blade equal to claw, wings equal to keel;

ovary glabrous.

35–65 × 6–12 mm.

30–50 × 4–8 mm.

= 14.