Flora of North America species comparison

viny, to 3 m, glabrous or sparsely to moderately pilose-pubescent, denser at nodes.

erect to ± sprawling, not viny, 2-7 dm,, sparsely to ± densely pilose.

blade 1-2-pinnate or rarely a few simple or 3-foliolate;

leaflets 4-10 plus additional ± tendril-like terminal leaflet, usually lanceolate to ovate, occasionally linear, unlobed or proximally 3-5-lobed, (1.5-)3-10 × (0.1-)0.4-4(-5) cm, thin, not conspicuously reticulate;

surfaces glabrous, not glaucous.

blade narrowly to broadly ovate, unlobed or rarely few-lobed, 3-14 × (1.5-)2.5-8(-9.5) cm, ± leathery, reticulate adaxially;

surfaces abaxially moderately silky-pilose with spreading hairs or rarely nearly glabrous, not glaucous.

terminal, 1-flowered;

bracts absent.

terminal, flowers solitary;

bracts absent.

bell-shaped;

sepals distally strongly spreading to recurved, violet-blue, lanceolate, 2.5-5 cm, margins proximally thick and tomentose, distally broadly expanded, 2-6 mm wide, thin, crispate, less conspicuously tomentose than proximal portion, or glabrate, tips acuminate, abaxially glabrous.

narrowly urn-shaped;

sepals pale yellow to pale purple, lanceolate, 1-3.5 cm, margins not expanded, thin, not crispate, tomentose, tip obtuse, spreading to recurved, abaxially silky-pubescent.

bodies appressed-puberulent;

beak 2-3.5 cm, appressed-puberulent.

bodies pilose, hairs appressed-ascending;

beak yellowish brown to reddish brown, 3-6 cm, plumose.

= 16.

= 16.