Flora of North America species comparison

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

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

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.

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.

2–4-flowered, 7–12 cm.

1- or 2-flowered, 1 cm.

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.

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.

40–50 × 8–10 mm, short-stipitate.

13–15 × 3–5 mm.

= 14.