Flora of North America species comparison

angled to narrowly winged, sprawling or climbing, basally branched 0–4 times, 2–20 dm.

angled, erect, basally branched 0–2 times, 2–5 dm.

4–14 cm;

tendrils well developed;

stipules lanceolate to linear, 5–25 × 1–10 mm, much smaller than leaflets (more than 1/4 width of distal leaflets);

leaflets 6–12, scattered, blades ovate to linear, 12–50 × 5–25 mm, surfaces glabrous or pubescent.

2–4 cm;

tendrils simple or branched, sometimes prehensile;

stipules linear, 5–15 × 1–2 mm, much smaller than leaflets;

leaflets 6 or 8, scattered, blades ovate to lanceolate, 15–45 × 4–10 mm, surfaces glabrous throughout or puberulent abaxially.

5–20-flowered, 5–25 cm.

2–4-flowered, 7–12 cm.

12–25 mm;

calyx lobes unequal, lateral lobes deltate, linear-triangular, or lanceolate and wider distal to base, shorter to longer than tube;

corolla cream-white, rose, lavender, blue-purple, or deep wine red, banner erect or reflexed toward calyx tube, blade equal to or longer than claw, wings equal to keel;

ovary glabrous or pubescent.

18–20 mm;

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

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

ovary glabrous.

40–60 × 4–7 mm.

40–50 × 8–10 mm, short-stipitate.

= 14.