Flora of North America species comparison

sprawling or climbing, slender, 5–15 dm.

erect, sprawling, or climbing, slender to robust, 2–6 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 foliose, approaching leaflets in size, semisagittate, with nectariferous patch abaxially;

leaflets 6–16, blades oblong to lanceolate-linear, 8–20 × 1–5 mm, apex obtuse to truncate-emarginate, abaxial surface sparsely pubescent, hairs long, pustulose-based, adaxial glabrous.

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

1–3-flowered, 0 cm.

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.

18–25 mm;

calyx base symmetric, lobes unequal, abaxial lobe subequal to tube;

corolla pale to bright yellow, banner stenonychioid, blade much longer than claw, glabrous;

style compressed abaxially, pubescent apically, tufted abaxially.

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

stipe 1–2 mm.

reddish black, elliptic, 25–35 × 7–14 mm, oblique-tipped, pilose, hairs tuberculate-based;

stipe to 3–4 mm.

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

hilum encircling 2/3 circumference of seed.

3–9, blackish and ± mottled, or velvety to entirely black, compressed-globose, 3 mm diam.;

hilum whitish, linear, encircling 1/6–1/5 circumference of seed.

= 14.