Flora of North America species comparison

single or few, decumbent-ascending, glabrous or sparsely strigose.

prostrate or decumbent to ascending, villous.

4.5–11 cm;

stipules 5–10 mm, papery at proximal nodes;

leaflets 11–21(or 23), blades obovate-cuneate, ovate, broadly oblong-elliptic, or suborbiculate, 5–20 mm, apex obtuse or emarginate, surfaces glabrous or glabrate and glaucescent.

2.5–13 cm;

stipules distinct, 2.5–7 mm, herbaceous becoming membranous;

leaflets (9–)15–25(–29), blades narrowly elliptic to oblanceolate, 4–16 mm, apex obtuse to acute, surfaces villous or villous-pilose.

10–25-flowered, flowers declined;

axis 3–12 cm in fruit;

bracts 3–6 mm;

bracteoles 2.

(6–)12–30-flowered, flowers spreading;

axis (1–)1.5–5(–7) cm in fruit;

bracts 1.5–4.5 mm;

bracteoles 0.

incurved-ascending, 3–8.5 cm.

erect or incurved-ascending, 3–10 cm.

0.6–2 mm.

0.2–0.8 mm.

12–15 mm;

calyx short-cylindric, 5.9–7.6 mm, strigulose, tube 4.5–5.6 mm, lobes subulate, 1.3–2.5 mm;

corolla reddish purple with white or lilac wing tips;

keel 9.5–10.6 mm.

7–11(–11.7) mm;

calyx campanulate, (5–)5.6–8.3 mm, villous or villous-tomentose, tube (2.5–)3.1–4.5 × (2.4–)2.6–3.6 mm, lobes narrowly subulate, (2.4–)2.6–3.6 mm, somewhat accrescent, covering most or all of mature legume;

corolla whitish, often tinged lavender, immaculate or keel tip maculate, drying ochroleucous;

banner recurved through 50°;

keel 5.2–7.4 mm, apex obtuse, sometimes obscurely beaklike.

spreading-ascending (humistrate), green suffused or dotted red becoming stramineous, straight to incurved, oblong or broadly oblong-ovoid, obcompressed, 15–37 × 8–21 mm, ± bilocular, fleshy becoming papery, stiffly leathery, or subligneous, glabrous;

septum to 3.5 mm wide;

stipe 5–8 mm.

spreading to ascending, straight, obliquely ovoid, somewhat laterally compressed, (3.5–)4–6 × 2.5–3.5 mm, stiffly papery, densely villous-tomentulose, hairs 1+ mm.

(27–)30–36.

4–10.

= 24.