Flora of North America species comparison

angled, sprawling to erect, basally branched 0–3 times, 2–8 dm.

angled, erect, branched 0–2 times basally or from proximal nodes, 0.5–2 dm.

3–8 cm;

tendrils well developed, often branched;

stipules lanceolate, 8–12 × 2–5 mm, much smaller than leaflets;

leaflets 6–10, usually paired, blades ovate, 20–40 × 10–20 mm, surfaces glabrous.

1–2 cm;

tendrils reduced to bristles;

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

leaflets 4 or 6, paired, blades ovate to obovate, 10–25 × 5–10 mm, surfaces glabrous.

2–5-flowered, 4–7 cm.

2–4-flowered, 4–6 cm.

15–20 mm;

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

corolla white to slightly pink or lavender, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.

14–17 mm;

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

corolla bicolored lavender and white, banner erect, blade longer than claw, wings longer than keel, 1–3 mm;

ovary glabrous.

30–50 × 5–15 mm.

25–30 × 8–10 mm, stipitate.