Flora of North America species comparison

broadly winged, sprawling or climbing, basally branched 1–5 times, 8–20 dm.

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

2–5 cm, rachises broadly winged;

tendrils well developed, branched;

stipules lanceolate, 30–40 × 7–15 mm, at least 1/2 width of stem, much smaller than leaflets;

leaflets 2, blades lanceolate-elliptic, 30–120 × 7–50 mm, surfaces glabrous.

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.

5–15-flowered, 10–33 cm.

4–8-flowered, 3–10 cm.

15–20 mm;

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

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

ovary densely glandular-pubescent, style rotated 90° from ovary axis.

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.

50–110 × 5–10 mm.

20–30 × 9–13 mm.

= 14.

= 28.