Flora of North America species comparison

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

angled, erect or sprawling, basally branched 1–3 times, 0.5–1 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.

0.5–1 cm;

tendrils absent or reduced to flattened bristles;

stipules linear, 4–5 × 1–2 mm, ca. 1/2 length of leaflets;

leaflets (3 or)4(or 5), paired, blades lanceolate, 6–12 × 2–3 mm, surfaces finely villous.

4–10(–13)-flowered, 3–12 cm.

1- or 2-flowered, 1 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.

7–8 mm;

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

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

ovary glabrous.

30–70 × 4–7 mm.

13–15 × 3–5 mm.

= 14.