Flora of North America species comparison

angled, erect, sprawling, or climbing, basally branched 0–several times, 1–6 dm.

narrowly winged, sprawling or climbing, basally branched 0–4 times, 3–6 dm.

2–10 cm;

tendrils mucronate (less than 1 cm) to well developed;

stipules linear, 5–25 × 1–8 mm, much smaller than leaflets;

leaflets 4–12, usually scattered, blades broadly ovate to lanceolate or linear, (17–)20–110 × 2–30(–37) mm, surfaces usually glabrous, rarely finely pubescent.

1–3 cm;

tendrils well developed;

stipules linear, 10–20 × 2–5 mm, equal to smaller leaflets;

leaflets 2, blades linear, 15–60 × 2–8 mm, surfaces glabrous.

2–10-flowered, 3–15 cm.

terminal, 1- or 2-flowered, 2–4 cm.

12–22 mm;

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

corolla blue-purple to pink-purple or white, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

7–10 mm;

calyx lobes subequal, linear-triangular, usually longer than tube;

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

ovary glabrous.

20–30(–45) × 5–10 mm.

30–50 × 2–4 mm.

= 14.