Flora of North America species comparison

erect or ascending, very short, tufted or spreading, branched.

ascending or erect, usually branched, sometimes unbranched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 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.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

dense, several-flowered, 1–3 cm;

flowers spirally arranged.

1–10 cm;

bracts persistent, straight, 2–4 mm.

(1–)3–6 cm;

bracts persistent, 3–4 mm.

1–4 mm.

0.8–2 mm.

4.5–7 mm;

calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, 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.

undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying.

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

persistent, disclike, sessile.

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

2, wrinkled.

2.