Flora of North America species comparison

angled, sprawling or climbing, basally branched 0–3 times, 4–10 dm.

angled, erect or sprawling, basally branched 3–5 times, 1–3 dm.

6–18 cm;

tendrils well developed;

stipules lanceolate to linear, 10–20 × 2–10 mm, much smaller than distal leaflets (less than 1/4 width of distal leaflets);

leaflets 8–14, scattered, blades ovate to lanceolate, 25–70 × 10–35 mm, surfaces glabrous or pubescent.

3–4 cm;

tendrils well developed;

stipules linear, 5–10 × 1–2 mm, much smaller than leaflets;

leaflets 4 or 6, paired, blades linear, 15–50 × 1–5 mm, surfaces sparsely pubescent.

5–20-flowered, 6–20 cm.

2 or 3-flowered, 3–6 cm.

10–15 mm;

calyx lobes unequal, lateral lobes linear-triangular or lanceolate, shorter to longer than tube;

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

ovary glabrous or pubescent.

8–10 mm;

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

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

ovary glabrous.

20–50 × 3–7 mm.

40–70 × 4–9 mm.