Flora of North America species comparison

sprawling or climbing, slender, 2–15 dm.

sprawling or climbing, somewhat robust, to 10 dm.

4–11 cm;

tendrils branched;

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

leaflets 10–16, blades elliptic-oblong to linear, 7–30 × 1–11 mm, apex obtuse, abaxial surface glabrous, adaxial often sparsely long-pubescent.

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.

8–25-flowered, 2–15 cm, shorter to longer than subtending leaf rachis.

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

4–7 mm;

calyx base symmetric, lobes equal, usually shorter than tube;

corolla cream-white with purple-tipped keel, banner pandurate, blade equal to claw, glabrous;

style compressed adaxially, pubescent evenly for some length along style.

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.

reddish brown, oblong, 20–35 × 5–8 mm, acute-tipped, glabrous;

stipe 1–2 mm.

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

stipe to 2–3 mm.

5–9, purplish black, compressed-subglobose, 2–3 mm diam.;

hilum encircling 1/4 circumference of seed.

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

hilum encircling 1/5 circumference of seed.

= 14.