Flora of North America species comparison

prostrate or decumbent to ascending, villous.

ascending to erect or spreading-decumbent, diffuse, radiating, strigulose.

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.

2–9 cm;

stipules distinct, 1–4.5 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets 5–15, blades oblong to ovate, obovate, or elliptic, 2–14 mm, apex obtuse to retuse, mucronate, or acute, surfaces villosulous.

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

axis (1–)1.5–5(–7) cm in fruit;

bracts 1.5–4.5 mm;

bracteoles 0.

3–12-flowered, flowers spreading;

axis 0.4–3.5 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

erect or incurved-ascending, 3–10 cm.

incurved, 1–4 cm.

0.2–0.8 mm.

0.5–2 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.

8.8–12.2 mm;

calyx campanulate, 4.8–6.3 mm, villosulous, tube 2.8–4.2 mm, lobes subulate, 1.8–2.8 mm;

corolla pink-purple or ochroleucous;

banner incurved through 90–110°;

keel 7.3–8.7 mm, apex bluntly triangular or deltate.

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.

deciduous from receptacle, spreading-declined, green or reddish becoming stramineous, incurved through 0.25–0.5 spiral, obliquely lanceoloid-ellipsoid, inflated, 12–20 × 4–8(–9) mm, thin becoming papery, shaggy-pilose, hairs lustrous, 1–2 mm.

4–10.

9–18.

= 24.