Flora of North America species comparison

very short, tufted, branched.

ascending or erect, branched.

cauline, crowded near base;

stipules well developed;

petiole 1–6 cm;

leaflets (3 or)5–9, blades 8–20 × 2–9 mm, adaxial surface glabrous.

cauline, crowded near base;

petiole 2–6 cm;

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

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

2–12 cm;

flowers spirally arranged.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

3–6 cm;

bracts deciduous, 2–3 mm.

0.3–1.5 mm.

4–6 mm.

6–8 mm;

calyx abaxial lobe entire or shallowly cleft, ± 6 mm, adaxial lobe 2-toothed, 3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot white or yellow, keel glabrous.

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.

not undulate, 1 cm, thinly pilose to coarsely hirsute.

2.5–3.5 cm, white silky-villous.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

4 or 5.

= 36.