Flora of North America species comparison

sprawling or climbing, slender to robust, 2–20 dm.

sprawling or climbing, slender, 5–15 dm.

2–10 cm;

tendrils branched;

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

leaflets 7–14, blades ovate to linear, 5–25 × 1–11 mm, apex acute to emarginate, surfaces glabrous or puberulent.

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.

2–19-flowered, 1–15 cm, or flowers 1, ± shorter than subtending leaf rachis.

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

4–7 mm;

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

corolla deep blue to bluish purple or pinkish white to light lavender, banner pandurate, blade equal to or longer than claw, glabrous;

style compressed adaxially, pubescent apically.

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.

yellow to brown, flat, rhombic-oblong, 16–30 × 4–6 mm, oblique-tipped, glabrous;

stipe to 1 mm.

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

stipe 1–2 mm.

4–8, brownish gray, mottled dark purple, subglobose to compressed-subglobose, 2.2–2.5 mm diam.;

hilum encircling 1/4–1/3 circumference of seed.

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

hilum encircling 2/3 circumference of seed.