Flora of North America species comparison

erect or sprawling, slender, 0.5–3 dm.

sprawling or climbing, slender, 5–15 dm.

1–2 cm;

tendrils simple;

stipules foliose, approaching leaflets in size, hastate, with nectariferous patch abaxially;

leaflets 4–8, blades ovate-obovate to elliptic-linear, 8–16 × 1–3 mm, apex acute to truncate-emarginate, apiculate, surfaces glabrous or sparsely pubescent, hairs long.

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.

undeveloped, 1(or 2)-flowered, 0–1 cm.

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

5–8 mm;

calyx base symmetric, lobes equal, subequal to tube;

corolla violet, fading white, banner stenonychioid, blade longer than claw, glabrous;

style compressed abaxially, pubescent apically, tufted abaxially.

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.

dark brown to black, linear, 15–25 × 3–4 mm, oblique-tipped, glabrous;

stipe absent.

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

stipe 1–2 mm.

6 or 7, reddish maroon, grayish brown, or blackish, quadrate, 1.5–2 mm diam.;

hilum minute.

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

hilum encircling 2/3 circumference of seed.

= 10, 12.