Flora of North America species comparison

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

prostrate to decumbent, branched, not weak, from woody base.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

cauline, often appearing clustered near base first year;

stipules 7–16 mm;

petiole 2–10 cm;

leaflets 5–9, blades 15–35 × 3–9 mm, adaxial surface pubescent.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

± open, 6–16 cm;

flowers whorled or not.

1–10 cm;

bracts persistent, straight, 2–4 mm.

4–12 cm;

bracts deciduous, 4–7 mm.

1–4 mm.

4–12 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.

10–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed or entire, 8–9 mm, adaxial lobe 2-toothed, 7–8 mm;

corolla blue to lilac, white, yellow, rose, or purple (sometimes on same plant), banner patch whitish or yellow, or absent, banner glabrous abaxially, lower keel margins glabrous, adaxial margin ciliate.

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

3–4 cm, hairy.

persistent, disclike, sessile.

deciduous, petiolate.

2, wrinkled.

7–12.