Flora of North America species comparison

prostrate or decumbent to ascending, densely villous-tomentose.

several, decumbent to ascending, diffuse, strigulose.

5–14 cm;

stipules distinct, 3–6 mm, herbaceous becoming membranous;

leaflets (7–)15–21, blades oval-obovate, 6–17 mm, apex obtuse to subacute, surfaces villous-tomentose.

3.5–10 cm;

stipules 3–8 mm, mostly membranous;

leaflets 11–19, blades obovate, oblong, or oblanceolate, 4–17 mm, apex obtuse or retuse, surfaces strigose abaxially, glabrous adaxially.

(10–)20–40-flowered, flowers spreading;

axis (1–)1.5–12 cm in fruit;

bracts 2–5 mm;

bracteoles 0.

subcapitate at early anthesis, 4–14-flowered, flowers spreading-ascending;

axis 0.5–2.7 cm in fruit;

bracts 2–4 mm;

bracteoles 0–2.

erect or incurved-ascending, 5–12 cm.

incurved-ascending, reclined in fruit, 3–8 cm.

0.5–1 mm.

1–2.5 mm.

9–12 mm;

calyx broadly campanulate, 6.6–7.8 mm, silky-villous, tube 3.9–4.5 × 3.5–4.1 mm, lobes narrowly subulate, 2.7–3.5 mm, somewhat accrescent, covering most or all of mature legume;

corolla pale yellow, drying ochroleucous, pubescent abaxially;

banner recurved through 50°;

keel 7.1–8.2 mm, apex obtuse-deltate.

15–19 mm;

calyx cylindric, 6.4–9.2 mm, strigose, tube 5–7 mm, lobes subulate, 1.4–2.5 mm;

corolla pink-purple with white wing tips, or whitish to ochroleucous and tinged;

keel 9.8–12.7 mm.

spreading or somewhat declined, straight, obliquely ovoid, obscurely 3-sided compressed, 4.5–6 × 3 mm, stiffly papery, tomentulose, hairs 1+ mm; contracted basally into pseudostipe, 0.4–0.6 mm.

ascending (humistrate), stramineous, incurved to ± straight, ellipsoid to oblong, obcompressed, 17–32 × 7–10 mm, subunilocular, wider than high in cross section, woody or stiffly leathery, strigose, hairs ± 1 mm;

stipe to 2 mm.

6–8.

27–32.

= 22.