Flora of North America species comparison

2–22 cm;

stipules subherbaceous, light tan, grayish, or purplish, well separated on stem, 7–20 mm, ± pilose abaxially, margins ± ciliate;

leaflets (9–)15–41, opposite or subopposite, blades ovate, lanceolate, or lanceolate-oblong, 3–25 × 1–8(–11) mm, apex acute to obtuse, surfaces pilose or glabrous adaxially.

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.

(2–)4–25[–30+]-flowered, extending beyond leaves.

5–20+-flowered, subcapitate to elongate.

3.5–32(–36) cm, axis 3.5–10 cm in fruit, villous-pilose;

bract linear to lanceolate-oblong, pilose.

erect, 7–30 cm, sericeous;

bract lanceolate, shorter than flowers, pilose.

bright pink-purple, purple, or whitish and sometimes suffused with purple, [lilac or blue-purple], 5–10.5(–12) mm.

white to yellowish, keel tip maculate or not, 17–27(–28) mm.

campanulate, 3–8 mm, villous-pilose, hairs stiff, black;

tube 2–3.5(–4.5) mm, lobes 1.5–5 mm.

cylindric, 7–12 mm, pilose, hairs black and white, lobes dark hairy;

tube 6.5–9 mm, lobes 2–4 mm.

spreading-declined, subsessile to short-stipitate, oblong to ellipsoid, 8–18 × 3–4.5 mm, subunilocular, thinly papery, pilosulous, hairs white and/or black.

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.

= 16.