Flora of North America species comparison

erect, trailing, or climbing, slender to stout, to 20 dm.

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

2–8 cm;

tendrils simple or branched;

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

leaflets 8–18, blades ovate or elliptic to linear, 3–44 × 1–19 mm, apex obtuse to truncate-emarginate, or apiculate, surfaces glabrous or finely pubescent.

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.

3–9-flowered, 2–8 cm, shorter than or equal to subtending leaf rachis.

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

12–25 mm;

calyx base symmetric, lobes subequal, shorter than tube;

corolla usually bluish purple, rarely white, banner oblong, blade equal to claw, glabrous;

style compressed abaxially, pubescent apically, tufted abaxially.

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.

tawny to brown, oblong, 25–39 × 5–9 mm, oblique-tipped, glabrous or pubescent;

stipe to 4–5 mm.

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

stipe to 1 mm.

number not known, olive-brown to deep violet-brown, subglobose, 3–4 mm diam.;

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

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.