Flora of North America species comparison

and herbage strigulose, hairs malpighian.

and herbage strigulose, hairs malpighian.

1–1.7 cm;

stipules dimorphic, those at proximal nodes connate into short, bidentate sheath, those at distal nodes longer, connate at base only, lanceolate or lanceolate-acuminate, often without spines, 1.5–7(–8) mm;

leaflets 5, blades 4–10 mm, surfaces pubescent.

0.5–1.3 cm;

stipules dimorphic, those at proximal nodes connate, those at distal nodes free and ± spine-tipped, 1.5–4 mm;

leaflets (3 or)5, blades 3–9 mm.

0.1–0.6 cm.

0.1–0.4 cm.

5.2–6.5 mm;

calyx 3.6–5.1 mm, tube 1.6–2.5 mm, lobes subulate, spinulose, 1.9–3 mm;

corolla whitish, banner and keel tips sometimes faintly tinged pink or lilac.

5.2–6.5 mm;

calyx 3.6–4.7 mm, tube 1.8–2.1 mm, lobes subulate, spinulose, 1.8–2.6 mm;

corolla whitish, keel tip purplish.

lenticular or ovoid-lenticular, 3–4.5 × 1.4–2 mm.

obliquely lanceoloid-acuminate, 5–7.5 × 1.6–2 mm.

2(or 3).

2 or 3(or 4).

= 24.

= 24.