Flora of North America species comparison

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

angled, erect, sprawling, or climbing, basally branched 1–3 times, 3–8 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.

6–9 cm;

tendrils well developed;

stipules ovate to lanceolate, 15–25 × 5–11 mm, much smaller than leaflets;

leafets 6–10, scattered, blades lanceolate to linear or ovate, 20–80 × 2–35 mm, surfaces glabrous.

2–7-flowered, 3–15 cm.

4–13-flowered, 5–18 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.

12–20 mm;

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

corolla pale blue-lavender to purple, banner erect, blade longer than claw, wings longer than keel, (by 1–4 mm);

ovary glabrous.

25–60 × 4–8 mm.

30–50 × 5–10 mm.

= 14.