Flora of North America species comparison

very short, tufted, branched.

erect or ascending, clustered, unbranched or branched distally, stout.

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 10–15 mm;

petiole 2–25 cm;

leaflets 8–11, blades (30–)60–120(–150) × 3–15 mm, abaxial surface silky, slightly less so abaxially.

dense, 3–16-flowered, 1–8 cm;

flowers spirally arranged, crowded.

12–40 cm, loose to dense;

flowers whorled.

1–8(–10) cm;

bracts persistent, straight, 2–3 mm.

4–10 cm;

bracts early deciduous to persistent, 10–18 mm.

0.3–1.5 mm.

4–12 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.

(13–)15–18 mm;

calyx sometimes somewhat bulged and asymmetrical, abaxial lobe entire or notched, 7–8 mm, adaxial lobe shallowly notched, 6–7 mm;

corolla bright yellow, rarely pale purple, keel falcate, banner glabrous or hairy abaxially, upper keel margins densely ciliate.

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

3–4.5 cm, tomentose.

persistent, disclike, sessile.

deciduous, petiolate.

1 or 2, smooth.

4–7, pinkish brown to dull reddish brown, 6–7 mm.