Flora of North America species comparison

very short, tufted, branched.

ascending or erect, usually branched, sometimes unbranched.

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;

stipules well developed;

petiole 1.3–3.3 cm;

leaflets (3 or)4–7, blades 7–20(–24) × 3–5 mm, adaxial surface pubescent.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

dense, several-flowered, 1–3 cm;

flowers spirally arranged.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

(1–)3–6 cm;

bracts persistent, 3–4 mm.

0.3–1.5 mm.

0.8–2 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.

5–9 mm;

calyx 7–8 mm, adaxial lobe more than 1/2 as long as abaxial;

corolla usually blue with pale banner patch, sometimes entirely white, keel glabrous.

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

not obviously undulate, 0.9–1.3 cm, sparsely or densely pilose.

persistent, disclike, sessile.

persistent on young plants, becoming dry and deciduous, sessile.

1 or 2, smooth.

2.