Flora of North America species comparison

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

angled, erect, sprawling, or climbing, often branched mid stem 1–4 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.

2–6 cm;

tendrils absent to well developed, 0–3 cm, usually not branched;

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

leaflets 4–8, often paired, blades ovate, 15–30 × 5–20 mm, surfaces glabrous, or linear, 30–70 × 1–10 mm, surfaces glabrous or pubescent.

4–10(–13)-flowered, 3–12 cm.

5–15-flowered, 2–7 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.

7–13 mm;

calyx lobes unequal, lateral lobes often linear-triangular, sometimes lanceolate, shorter than tube;

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

ovary glabrous.

30–70 × 4–7 mm.

40–60 × 4–7 mm.

= 14.

= 14.