Flora of North America species comparison

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

angled, sprawling, basally branched 0–3 times, 4–30 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.

5–8 cm;

tendrils well developed;

stipules lanceolate to linear, 10–20 × 2–8 mm, much smaller than leaflets;

leaflets 6–10, scattered, blades ovate to linear, 20–40 × 3–15 mm, surfaces glabrous throughout or sparsely pubescent abaxially.

4–9-flowered, 4–15 cm.

6–10-flowered, 4–16 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.

25–30 mm;

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

corolla deep wine red, banner reflexed against calyx tube, blade much longer than claw, wings equal to keel;

ovary glandular-pubescent.

35–65 × 6–12 mm.

50–80 × 5–9 mm.

= 14.