Flora of North America species comparison

narrowly to broadly winged, sprawling or climbing, basally branched 0–4 times, 2–10 dm.

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

1–6 cm;

tendrils well developed;

stipules ovate-lanceolate to linear, 5–25 × 1–10 mm, much smaller than leaflets;

leaflets 4–8, paired, blades lanceolate to linear, 15–75 × 2–20 mm, surfaces glabrous, glabrate, or pubescent.

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.

2–7-flowered, 3–15 cm.

6–10-flowered, 4–16 cm.

10–15 mm;

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

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

ovary 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.

25–60 × 4–8 mm.

50–80 × 5–9 mm.

= 14.

= 14.