Flora of North America species comparison

1–10 cm;

stipules membranous, soon ruptured, light becoming dark in age, silky-pilose, margins ciliate;

leaflets 5–17, scattered or congested, blades ovate-oblong to narrowly elliptic, 3–15 × 2–6 mm, apex acute or obtuse, surfaces pilose or sericeous.

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.

(3–)5–18-flowered, subcapitate or slightly elongate.

4–19-flowered.

1–13 cm, axis 0.5–3(–4) cm in fruit, appressed-pilose to villous-hirsute;

bract ovate-lanceolate to lanceolate, margins involute, shaggy-pilose.

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.

bright pink-purple or bluish purple, 15–19(–20) mm.

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

deeply campanulate, villous to shaggy-villous, hairs mixed blackish and white, appearing gray, 2 mm;

tube 5.5–7 mm, slightly swollen to strongly inflated, variably accrescent, ruptured by fruit or not, lobes 2–4.5 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.

enclosed in or exserted from calyx, erect, sessile or short-stipitate, ovoid to narrowly oblong, turgid to inflated, 6–15(–20) × 4–6.5 mm, bilocular, papery to nearly membranous, white- or black-villous.

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