Flora of North America species comparison

prostrate or decumbent to ascending, villous.

ascending or prostrate, finely 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.

2.5–7 cm;

stipules 1.5–3 mm, herbaceous becoming papery at proximal nodes, herbaceous at distal nodes;

leaflets (7 or)9–21, blades oblong-obovate to linear-oblong or -elliptic, 2–10 mm, apex obtuse to subacute or retuse, surfaces strigulose abaxially, strigulose, glabrous, or glabrate adaxially.

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

axis (1–)1.5–5(–7) cm in fruit;

bracts 1.5–4.5 mm;

bracteoles 0.

5–15-flowered;

axis 1–8 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

erect or incurved-ascending, 3–10 cm.

ascending, 1.5–8(–10) cm.

0.2–0.8 mm.

0.8–1.7 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.

6.5–10 mm;

calyx 3.4–4.8 mm, strigose, tube 2.2–2.8 mm, lobes lanceolate-subulate, 0.9–2.2 mm;

corolla yellowish, yellowish white and lightly tinged rose, or greenish ochroleucous, banner violet-veined;

banner recurved through 45–85°;

keel 4.6–6.4 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.

pendulous, brown or stramineous, lunate, lanceoloid-ellipsoid, 3-sided compressed, 12–25 × 2.6–4 mm, papery, strigulose-villosulous;

septum 1.3–2.4 mm wide;

stipe 2.5–5 mm.

4–10.

11–16.

= 24.