Flora of North America species comparison

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

angled, sprawling, basally branched 0–4 times, 1–4 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.

1–3 cm;

tendrils flattened bristles;

stipules ovate to lanceolate, 10–27 × 5–12 mm, often larger than leaflets;

leaflets 4 or 6, paired, blades obovate to oblanceolate, 10–20 × 4–8 mm, surfaces densely villous.

5–20-flowered, 6–20 cm.

4–8-flowered, 3–10 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.

13–15 mm;

calyx lobes equal, lateral lobes deltate, equal to or shorter than tube;

corolla dark purple, banner erect, blade longer than claw, wings longer than keel;

ovary densely pubescent.

20–50 × 3–7 mm.

20–30 × 9–13 mm.

= 28.