Flora of North America species comparison

and herbage densely to sparsely strigulose, villosulous, or villous, hairs basifixed.

and herbage strigulose, hairs malpighian.

(0.2–)0.4–1.5(–2) cm;

stipules 2–7 mm;

leaflets (3 or)5–9, blades 1–9 mm, surfaces pubescent or adaxially glabrous or medially glabrescent.

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.

0–1.5(–3) cm.

0.1–0.4 cm.

(3.9–)4.5–8(–9.2) mm;

calyx (2–)2.4–5.7(–7) mm, tube 1.2–2.6(–2.8) mm, lobes subulate to setaceous, (0.5–)1.9–2.6(–4.2) mm;

corolla usually purple or purplish, sometimes white and keel tip pink or purplish.

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.

ellipsoid or oblong-ellipsoid, (3–)4–8(–9) × (0.6–)2–2.5 mm.

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

(3–)5–8.

2 or 3(or 4).

= 24.

= 24.