Flora of North America species comparison

1–7 cm;

stipules membranous, light tan or grayish, glabrous abaxially;

leaflets 1 or 3(or 5), mostly continuous with rachis, decurrent or obscurely articulated with rachis, blades elliptic to oblong, 7–25 × 2–5 mm, apex acute, surfaces glabrous abaxially, sparsely pubescent adaxially.

2–9(–11) cm;

stipules membranous, stramineous, 8–15 mm, free blades 3–6 mm, silky-pilose abaxially, margins ciliate;

leaflets 7–11(or 13), blades narrowly to broadly lanceolate-oblong or lanceolate to elliptic, 5–30 × 1–7 mm, apex acute, surfaces pubescent.

1- or 2-flowered.

4–19-flowered.

3–8 cm, sparsely villous-pilose;

bract linear, 3–6 mm, black-hirsute.

erect or curved-ascending, 3–15(–24) cm, axis 1.5–5(–7) cm in fruit, pubescent;

bract narrowly ovate to lanceolate, 4–10(–15) mm, densely pilose.

pink-purple, 12–16 mm.

purple or white, with purple-maculate keel, 18–22.5 mm.

campanulate, densely black-pilose;

tube 4.8–6.2 mm, lobes 2.1–4.1 mm.

cylindric-campanulate to inflated-urceolate, densely shaggy-hirsute and subtomentose, hairs white;

tube 9–11 mm, becoming inflated and urceolate, enclosing fruit, lobes 1.5–2.5(–3) mm.

borne aloft, erect, stipitate, stipe 1.5–2 mm, ovoid- or lanceoloid-oblong, 13–20 × 4–5 mm, subunilocular, pilose, hairs black.

included in calyx and tardily deciduous with it, ascending, subsessile, ovoid, 7–10 × 4–5 mm, unilocular, leathery, firm, rigid at maturity, strigose-canescent.

= 16.