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.

6–28 cm;

stipules membranous, light tan or grayish, 8–22 mm, free ends acuminate, pilose, villous, glabrate, or glabrous abaxially, margins ciliate or eciliate;

leaflets 7–19(or 21), opposite, subopposite, or scattered, blades ovate to elliptic, oblong, or lanceolate, (4–)7–32(–40) × (1.5–)4–9(–10) mm, apex acute, surfaces sericeous, often densely so.

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

5–20+-flowered, subcapitate to elongate.

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, 7–30 cm, sericeous;

bract lanceolate, shorter than flowers, pilose.

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

white to yellowish, keel tip maculate or not, 17–27(–28) 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, 7–12 mm, pilose, hairs black and white, lobes dark hairy;

tube 6.5–9 mm, lobes 2–4 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.

erect, sessile, subcylindric to ovoid-oblong, 15–24 × 4.5–7 mm, ± bilocular, fleshy when fresh, becoming leathery or almost woody and rigid, strigose or pilosulous.