Flora of North America species comparison

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

angled, erect, basally branched 5–10 times, 1–3 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.

1–3 cm;

tendrils bristlelike, less than 1 cm;

stipules lanceolate, 10–15 × 1–8 mm, equal to distal leaflets;

leaflets 4–8, paired, blades lanceolate, 15–30 × 5–10 mm, surfaces glabrous.

4–10(–13)-flowered, 3–12 cm.

2- or 3-flowered, 4–9 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.

12–18 mm;

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

corolla white to lilac, banner erect, blade longer than claw, wings longer than keel;

ovary glabrous.

30–70 × 4–7 mm.

20–40 × 5–10 mm, stipitate.

= 14.

= 14.