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.

4–14 cm;

stipules stiff, papery, becoming reddish brown, 12–20 mm, free ends caudate-acuminate, pilose to glabrate abaxially, margins ciliate;

leaflets 11–21, blades ovate to lanceolate, elliptic, or oblong, 4–17 × 2–4 mm, apex acute or obtuse, surfaces pilose on midrib abaxially, pilose or glabrous adaxially.

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

6–10-flowered, subcapitate, slightly elongate in fruit.

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 ascending, 4–15 cm, spreading-villous;

bract lanceolate, shorter to longer than calyx, villous, margins ciliate.

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

yellowish, keel tip not maculate, 13–17 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.

short-cylindric, villous, hairs intermixed black and white;

tube 5–6 mm, lobes 1.5–3.2 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 or subsessile, ovoid-ellipsoid, 15–21 × 5–7 mm, length less than or equal to 3 times width, partially bilocular, papery, sulcate adaxially, pilose, hairs black and white.

= 96.