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;

stipules 6–16 mm;

petiole 1–3 cm;

leaflets 6–9, blades 20–45 × 3–8 mm, adaxial surface tomentose, hairs silvery.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

5–16 cm;

flowers ± whorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

2–5 cm;

bracts deciduous, 5–9 mm.

0.3–1.5 mm.

2–5.5 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.

9–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 3–7 mm, adaxial lobe 2-toothed, 4–7 mm;

corolla usually yellow, banner hairy abaxially, keel ± glabrous.

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

2–3 cm, strigose.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

3–5, tan, 3–5 mm.