Flora of North America species comparison

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

erect, sprawling, or climbing, slender, 2–13 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.

4–9 cm;

tendrils branched;

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

leaflets 10–18, blades narrowly oblong to linear, 10–35 × 1–10 mm, apex obtuse to acute or apiculate, surfaces glabrate to villous.

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

10–20+-flowered, 3–19 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.

12–18 mm;

calyx base gibbous, lobes unequal, usually longer than tube;

corolla violet to rose and white, banner pandurate, blade 1/2 length of 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.

tawny, oblong, 15–40 × 6–11 mm, oblique-tipped, glabrous;

stipe to 2–3 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.

2–8, black to blackish brown, globose to ovoid-oblong, 3–5 mm diam.;

hilum encircling 1/7 circumference of seed.