Flora of North America species comparison

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

angled to narrowly winged, sprawling, often branched mid stem (at or just proximal to flowering nodes), 3–10 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.

6–10 cm;

tendrils well developed;

stipules lanceolate to linear, 10–20 × 1–8 mm, much smaller than leaflets;

leaflets 8–12, usually paired, sometimes scattered, ovate to lanceolate, 20–45 × 15–25 mm, glabrous.

4–9-flowered, 4–15 cm.

7–15-flowered, 5–15 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.

12–14 mm;

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

corolla cream-white, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

35–65 × 6–12 mm.

40–70 × 4–9 mm.

= 14.