Flora of North America species comparison

sprawling or climbing, slender, 5–15 dm.

few, sprawling or climbing, slender, 2–15 dm.

4–8 cm;

tendrils simple;

stipules much smaller than leaflets, semisagittate, without nectariferous patch;

leaflets (2 or)4(or 6), blades narrowly oblong to linear, 30–50 × 3–6 mm, apex obtuse, surfaces glabrous.

2–6 cm;

tendrils simple or branched;

stipules much smaller than leaflets, semisagittate, without nectariferous patch;

leaflets (2 or)4(or 6), blades narrowly lanceolate to linear, 15–30 × 1–5 mm, apex obtuse, surfaces glabrous or sparsely long-pubescent.

5–10-flowered, 3–15 cm, longer than subtending leaf rachis.

4–10-flowered, 2–7 cm, longer than subtending leaf rachis.

8–12 mm;

calyx base symmetric, lobes equal, shorter than or equal to tube;

corolla blue or lavender and white, banner pandurate, blade equal to claw, glabrous;

style compressed adaxially, pubescent apically.

6–8 mm;

calyx base symmetric, lobes unequal, longest one shorter than tube;

corolla pale blue or lavender to white, banner pandurate, blade subequal to claw, glabrous;

style compressed adaxially, evenly pubescent apically.

brown, oblong, 40–45 × 7–8 mm, oblique-tipped, glabrous;

stipe 1–2 mm.

brown to black, linear-oblong, 20–25 × 4–6 mm, oblique-tipped, sparsely long-pubescent;

stipe to 1–2 mm.

8–12, purplish black, compressed-globose, 3–3.5 mm diam.;

hilum encircling 2/3 circumference of seed.

4–8, purplish black, compressed-globose, 2–2.5 mm diam.;

hilum encircling 2/3 circumference of seed.