Flora of North America species comparison

ascending or erect, branched.

very short, densely tufted, branched.

cauline, crowded near base;

petiole 2–6 cm;

leaflets 5 or 6(or 7), blades 10–25 × 6–12 mm, adaxial surface glabrous.

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.

2–12 cm;

flowers spirally arranged.

flowers solitary or paired, axillary.

3–6 cm;

bracts deciduous, 2–3 mm.

1.5–4 mm;

bracts persistent, 1 mm.

4–6 mm.

1 mm.

10–13 mm;

calyx 6–8 mm, abaxial lobe entire or cleft, 4–5 mm, adaxial lobe cleft, 2–3 mm, hairs silvery;

corolla usually dark blue, rarely white, banner spot bright white, keel glabrous, wings flat.

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.

2.5–3.5 cm, white silky-villous.

0.6–1 cm, pilose.

deciduous, petiolate.

persistent, disclike, sessile.

4 or 5.

1 or 2.

= 36.