Flora of North America species comparison

angled, sprawling or climbing, basally branched 0–3 times, 3–8 dm.

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

(2–)3–10 cm;

tendrils well developed;

stipules somewhat foliose, ovate-lanceolate, 15–35 × 5–20 mm, sometimes equal to distal leaflets;

leaflets (5 or)6(–8), usually paired, blades broadly ovate to lanceolate, (20–)25–65 × 10–35(–42) mm, surfaces glabrous.

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.

4–10(–13)-flowered, 3–12 cm.

7–12-flowered, 10–16 cm.

10–15 mm;

calyx lobes unequal, lateral lobes lanceolate, usually longer than tube;

corolla cream-white, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

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.

30–70 × 4–7 mm.

30–50 × 6–8 mm.

= 14.

= 14.