Flora of North America species comparison

and herbage strigulose, hairs malpighian.

and herbage strigulose, hairs malpighian.

(0.8–)1–2.6 cm;

stipules dimorphic, those at proximal nodes connate with bidentate tip, those at distal nodes connate near base with spiny tips, 1–12 mm;

leaflets (3 or)5 or 7, blades (2–)5–15(–17) mm, surfaces usually pubescent, sometimes glabrous adaxially.

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.

0.1–0.6 cm.

0.1–0.6 cm.

4.8–6.2 mm;

calyx 3.4–4.4 mm, tube 1.8–2.3 mm, lobes subulate, spinulose, 1.5–2.4 mm;

corolla usually whitish or faintly veined or tinged purple, fading ochroleucous, rarely pink-purple.

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.

narrowly ovoid-acuminate, (3.5–)4–7 × 1.5–2 mm.

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

2–4.

2(or 3).

= 24.

= 24.