Flora of North America species comparison

prostrate or decumbent to ascending, densely villous-tomentose.

decumbent to ascending, glabrous or sparsely 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.

4–9.5 cm;

stipules 2–5 mm, submembranous becoming papery;

leaflets 7–15(or 17), blades ovate, ovate-oblong, or obovate-cuneate, 5–20 mm, apex retuse, surfaces sparsely strigulose abaxially, glabrous adaxially.

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

axis (1–)1.5–12 cm in fruit;

bracts 2–5 mm;

bracteoles 0.

5–20-flowered;

axis 1–4.5 cm in fruit;

bracts 0.8–2 mm;

bracteoles 0.

erect or incurved-ascending, 5–12 cm.

incurved-ascending, 3–9 cm.

0.5–1 mm.

0.5–1.2 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.

7–9 mm;

calyx 3.2–4.6 mm, strigulose, tube 2–2.9 mm, lobes subulate, 1–1.7 mm;

corolla whitish, sometimes faintly tinged lilac;

banner recurved through 45°;

keel 4.8–5.5 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.

pendulous, stramineous or brown, lunate, linear-ellipsoid, 3-sided compressed, 10–17 × 2.5–3.5 mm, papery, glabrous;

septum 1.3–2 mm wide;

stipe 1–1.5 mm.

6–8.

8–10.