Flora of North America species comparison

angled, erect, sprawling, or climbing, basally branched 0–4 times, 1–8 dm.

not winged, erect or climbing, basally branched 1–several times, 2–6 dm.

(0.5–)1–8 cm;

tendrils mucronate to well developed;

stipules linear to lanceolate, 5–25 × 1–6 mm, much smaller than leaflets;

leaflets 2–10, scattered, blades lanceolate or linear, 20–70 × 2–20 mm, surfaces glabrous or sparsely pubescent.

reduced to tendrils, unbranched or branched, 1–4 cm;

stipules ovate, 10–35 × 10–25 mm, base hastate, margins entire;

leaflets 0.

2–6-flowered, 2–10 cm.

1-flowered, 2–4 cm.

7–15 mm;

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

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

ovary glabrous.

6–10 mm;

calyx lobes equal, lateral lobes broadly lanceolate, longer than tube;

corolla yellow, banner erect, blade equal to claw, wings equal to keel;

ovary glabrous.

25–45 × 6–10 mm.

15–30 × 5–7 mm.

= 14.