Flora of North America species comparison

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

angled, erect or sprawling, basally branched 3–5 times, 1–3 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.

3–4 cm;

tendrils well developed;

stipules linear, 5–10 × 1–2 mm, much smaller than leaflets;

leaflets 4 or 6, paired, blades linear, 15–50 × 1–5 mm, surfaces sparsely pubescent.

2–7-flowered, 3–15 cm.

2 or 3-flowered, 3–6 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.

8–10 mm;

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

corolla lilac to purple, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

25–60 × 4–8 mm.

40–70 × 4–9 mm.

= 14.