Flora of North America species comparison

(0 or)3–17 cm.

obsolete, single, or few to several.

9–26 cm;

stipules 6–20 mm;

leaflets (13–)19–27, blades ovate, obovate, oval, or broadly elliptic, 6–25 mm.

odd-pinnate, petiolate;

leaflets (9 or)11–35.

somewhat densely (15–)20–45-flowered, flowers subcontiguous or interrupted proximally;

axis (4–)5–11 cm in fruit.

initially densely flowered, flowers spreading or ascending.

(5–)8–22 cm.

calyx 10.5–13.5 cm, tube (8–)8.3–10.3 × (3.2–)4–5.2 mm, lobes (1.7–)2.6–4.4 mm;

corolla pink-purple;

banner 17–22.5 mm;

keel 13.5–18.5 mm.

purple, pinkish, pink-purple, yellowish suffused with lilac, or ochroleucous, banner recurved through 30°, keel apex round or triangular.

tubes cylindric or deeply campanulate.

gently incurved or ± straight, ovoid-acuminate or lanceoloid-ellipsoid, sometimes slightly turgid, 10–15 × (4–)4.5–8 mm, stiffly papery or leathery, densely villous-tomentulose, hairs to 1–1.6 mm;

beak bilocular.

deciduous, sessile, spreading or ascending, (usually humistrate), obliquely ovoid, lanceoloid-ellipsoid, or linear-oblong, straight or incurved, terete to obcompressed, bilocular.

20–31.

12–38[–41].

copious and commonly villous-tomentose, with shorter, usually curly, and longer spirally twisted hairs, usually turning rusty brown on drying.

basifixed.

distinct.

= 22.