Flora of North America species comparison

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

angled to narrowly winged, sprawling, often branched mid stem (at or just proximal to flowering nodes), 3–10 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.

6–10 cm;

tendrils well developed;

stipules lanceolate to linear, 10–20 × 1–8 mm, much smaller than leaflets;

leaflets 8–12, usually paired, sometimes scattered, ovate to lanceolate, 20–45 × 15–25 mm, glabrous.

5–20-flowered, 5–25 cm.

7–15-flowered, 5–15 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.

12–14 mm;

calyx lobes unequal, lateral lobes linear-triangular, shorter than or equal to tube;

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

ovary glabrous.

40–60 × 4–7 mm.

40–70 × 4–9 mm.

= 14.