Flora of North America species comparison

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

angled, erect, basally branched 5–10 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.

1–3 cm;

tendrils bristlelike, less than 1 cm;

stipules lanceolate, 10–15 × 1–8 mm, equal to distal leaflets;

leaflets 4–8, paired, blades lanceolate, 15–30 × 5–10 mm, surfaces glabrous.

2–7-flowered, 3–15 cm.

2- or 3-flowered, 4–9 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.

12–18 mm;

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

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

ovary glabrous.

25–60 × 4–8 mm.

20–40 × 5–10 mm, stipitate.

= 14.

= 14.