Flora of North America species comparison

erect-ascending or climbing, slender to robust, 3–10 dm.

sprawling or climbing, somewhat robust, to 10 dm.

3–8 cm;

tendrils simple or branched;

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

leaflets 8–14, blades ovate-oblong, narrowly elliptic, or linear [obovate], 15–30 × 5–15 mm, apex obtuse to truncate-emarginate, distinctly apiculate, surfaces hirsute.

2–4 cm;

tendrils simple or branched;

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

leaflets 4–8, blades elliptic to lanceolate-linear, 8–40 × 1–9 mm, apex acute to truncate, surfaces glabrous or sparsely pubescent.

usually (1 or)2(–4)-flowered, 0–1 cm.

1- or 2-flowered, 1–3 cm, ± shorter than subtending leaf rachis.

10–30 mm;

calyx base symmetric, lobes subequal, ± equal to tube;

corolla violet-purple, lavender, or whitish, banner stenonychioid, blade shorter than or equal to claw, glabrous;

style compressed abaxially, pubescent apically, tufted abaxially.

6–9 mm;

calyx base symmetric, lobes subequal, 1/2 length of tube;

corolla white to faint bluish or lavender, banner pandurate, blade equal to claw, glabrous;

style compressed adaxially, pubescent along style.

yellow to brown, or reddish brown to black, linear, 25–60 × 3–11 mm, oblique-tipped, glabrous or pubescent;

stipe absent.

tawny, oblong, 22–38 × 5–7 mm, oblique-tipped, strongly reticulate-veined, glabrous or finely pubescent;

stipe to 2–3 mm.

4–12, usually greenish gray to maroon or black, rarely yellowish white, globose or ± compressed, 3–5 mm diam.;

hilum encircling 1/6–1/5 circumference of seed.

4–7, purplish black, compressed-subglobose, 2.5–3 mm diam.;

hilum encircling 1/5 circumference of seed.

= 14.