Flora of North America species comparison

ascending, tufted, or erect, branched or unbranched.

very short, densely tufted, branched.

cauline;

petiole 2–7 cm, spreading-pubescent;

leaflets 5–9, blades 10–30 × 1.5–8 mm, surfaces pubescent.

cauline, densely tufted or crowded near base;

free blades of stipules reduced, 1 mm;

petiole 0.4–1.5 cm;

leaflets (3 or)5, blades 2–7 × 1–1.5 mm, adaxial surface villous.

1–18 cm;

flowers spirally arranged, solitary axillary flowers also sometimes present.

flowers solitary or paired, axillary.

erect, 2–8 cm;

bracts persistent, straight, 2.5–4 mm.

1.5–4 mm;

bracts persistent, 1 mm.

0.7–2 mm.

1 mm.

5–12 mm;

calyx 3–5 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft;

corolla usually pink to purple, rarely white, banner spot white or yellowish, keel usually glabrous, rarely with few, minute cilia on lower margins.

4–5 mm;

calyx 2.5–3 mm, abaxial lobe shallowly cleft, 2–2.5 mm, adaxial lobe 2-toothed, 0.5–1 mm;

corolla banner white, wings and keel purplish, keel glabrous.

1–1.5 cm, pubescent.

0.6–1 cm, pilose.

deciduous, petiolate.

persistent, disclike, sessile.

3–5.

1 or 2.

= 48.