Flora of North America species comparison

narrowly winged, erect, sprawling, or climbing, basally branched 0–2 times, 2–6 dm.

angled, erect, sprawling, or climbing, basally branched 1–several times, 1–5 dm.

14–18 cm;

tendrils well developed;

stipules lanceolate, 10–20 × 1–5 mm, much smaller than leaflets;

leaflets 14–18, scattered, blades ovate to lanceolate, 30–50 × 10–20 mm, surfaces pubescent with eglandular trichomes, glandular-pubescent abaxially.

0.3–1 cm;

tendrils reduced to bristles on proximal leaves, well developed distally;

stipules lanceolate, 10–20 × 2–4 mm, as wide as leaflets;

leaflets 2, blades linear, 20–70 × 1–4 mm, surfaces glabrous.

7–12-flowered, 10–16 cm.

1-flowered, 2–7 cm, prolonged beyond flower into tendril-like structure.

10–14 mm;

calyx lobes unequal, lateral lobes linear-triangular, longer than tube;

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

ovary densely glandular-pubescent.

8–10 mm;

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

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

ovary glabrous.

30–50 × 6–8 mm.

20–40 × 3–5 mm, with indistinct reticulate venation.

= 14.

= 14.