Flora of North America species comparison

angled, sprawling or climbing, sometimes branched at flowering nodes, 2–6 dm.

angled, erect to sprawling, basally branched 0–3 times, 1–4 dm.

5–9 cm;

tendrils usually well developed;

stipules lanceolate to linear, 8–12 × 1–5 mm, much smaller than leaflets;

leaflets 4–8, scattered, blades usually linear, rarely lanceolate, 30–80 × 1–20 mm, surfaces glabrous.

2–7 cm;

tendrils absent or mucronate;

stipules lanceolate, 7–12 × 2–5 mm, much smaller than leaflets;

leaflets 8–16, scattered, blades ovate to lanceolate, 5–15 × 3–10 mm, surfaces villous.

5–8-flowered, 10–18 cm.

1- or 2-flowered, 0.5–3 cm.

8–15 mm;

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

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

ovary glabrous.

8–12 mm;

calyx lobes unequal, lateral lobes linear-triangular, longer than tube;

corolla blue-purple, banner erect, blade equal to claw, wings longer than keel;

ovary densely pubescent.

30–50 × 4–8 mm.

15–20 × 4–5 mm.

= 14.

= 14.